Cross beam of numerical control machine tool

Abstract

The utility model discloses a numerical control machine tool beam which comprises a machine tool base, machine tool frames are fixedly connected to the four corners of the top of the machine tool base, a supporting plate is fixedly connected to the upper end of one side of each machine tool frame, fixing plates are symmetrically and fixedly connected to one side of the top of each machine tool frame, and a guide rail is arranged on the top of the fixing plate on one side. A toothed plate is arranged at the top of the fixed plate on the other side, the gear rotates, the movable plate can be driven to move under the meshing connection of the toothed plate and the teeth, in the displacement process, a plurality of rollers arranged in the sliding block slide in the fixed plate in a guiding mode, the smoothness in the moving period can be improved through the arranged rollers, and the moving efficiency is improved. Meanwhile, the guide wheel arranged at the top of the moving plate is located at the top of the guide rail for guiding sliding, so that the problems of movement deviation and additional friction caused by the fact that the action point of traction force of the motor is not at the gravity center can be avoided, and the stability, machining precision and machining efficiency of a machine tool are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a crossbeam of a numerical control machine tool. Background Technique

[0002] A numerical control machine tool, abbreviated as a CNC machine tool, is an automated machine tool equipped with a program control system. It can make the machine tool operate and process parts according to the pre-programmed program. It integrates the latest technologies such as machinery, automation, computer, measurement, and microelectronics. Its basic components include a processing program carrier, a numerical control device, a servo drive device, a machine tool body, and other auxiliary devices. The numerical control machine tool solves the problems of processing complex, precise, small-batch, and multi-variety parts. It is a flexible and high-efficiency automated machine tool, representing the development direction of modern machine tool control technology and being a typical mechatronic product. It has been widely used in modern industry, greatly improving the production efficiency of enterprises. A crossbeam is required for a numerical control machine tool to install numerical control equipment.

[0003] Currently, when the crossbeam moves above the numerical control machine tool, due to the fact that the acting point of the motor traction force is not at its center of gravity, movement deviation will occur after long-term use, generating additional friction. As a result, the numerical control machine tool is prone to deviation during the production and manufacturing process, thus affecting the stability, machining accuracy, and machining efficiency of the machine tool. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a crossbeam of a numerical control machine tool to solve the problem that when the crossbeam moves above the numerical control machine tool currently, due to the fact that the acting point of the motor traction force is not at its center of gravity, movement deviation will occur after long-term use, generating additional friction. As a result, the numerical control machine tool is prone to deviation during the production and manufacturing process, thus affecting the stability, machining accuracy, and machining efficiency of the machine tool.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A crossbeam of a numerical control machine tool, including a machine tool base, at the four corners of the top of the machine tool base are fixedly connected with machine tool frames, at the upper end of one side of the machine tool frame is fixedly connected with a support plate, on one side of the top of the machine tool frame are symmetrically fixedly connected with fixing plates, on the top of one of the fixing plates is provided with a guide rail, on the top of the other fixing plate is provided with a toothed plate, on one side of the toothed plate are provided with teeth, on one side inside the fixing plate is provided with a chute, between the two fixing plates is provided with a moving plate, at one end of the moving plate are symmetrically fixedly connected with sliders, at the upper and lower ends inside the slider are provided with rollers, on one side of the top of the moving plate is fixedly connected with a fixed seat, on one side of the fixed seat are symmetrically rotatably connected with guide wheels, on the other side of the top of the moving plate is fixedly connected with a protective frame, on the top of the protective frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, at the bottom of the machine tool base is provided with a box body, and at the bottom of the box body is fixedly connected with a base.

[0006] Preferably, at one end of the fixing plate are symmetrically fixedly connected with limiting plates.

[0007] Preferably, both the guide rail and the toothed plate are fixedly connected with the fixing plate by bolts.

[0008] Preferably, a plurality of rollers are provided, and the rollers are rotatably connected with the moving plate through rotating shafts.

[0009] Preferably, the guide wheels are in rolling connection at the top of the guide rail.

[0010] Preferably, the gear is located inside the protective frame, and there is an engagement connection between the outside of the gear and the inside of the teeth.

[0011] Preferably, an electric telescopic rod is fixedly connected to the top of the moving plate, the output end of the electric telescopic rod penetrates inside the moving plate, a dust-proof outer frame is provided on the outside of the electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with a numerical control machining tool.

[0012] Preferably, lifting mechanisms are fixedly connected at the four corners between the machine tool base and the box body, and anti-slip pads are fixedly connected at the four corners of the bottom of the base.

[0013] Compared with the prior art, the present utility model provides a crossbeam of a numerical control machine tool, having the following beneficial effects:

[0014] 1. The sliding mechanism of the present utility model is composed of a fixed plate, a guide rail, a chute, a moving plate, a slider, a roller, a fixed seat, a guide wheel, a toothed plate, teeth, a gear and a motor. During the movement of the cross beam, the gear is rotated by driving the motor provided at the top of the moving plate. Under the meshing connection of the toothed plate and the teeth, the moving plate can be driven to displace. During the displacement process, several rollers provided inside the slider slide in a guiding manner inside the fixed plate. The rollers provided can increase the smoothness during movement. At the same time, the guide wheel provided at the top of the moving plate slides in a guiding manner on the top of the guide rail, thus avoiding the problem that the acting point of the motor traction force is not at its center of gravity, resulting in movement deviation and additional friction, and effectively improving the stability, machining accuracy and machining efficiency of the machine tool;

[0015] 2. By providing a protective frame and a dust-proof outer frame, during the movement of the cross beam of the CNC machine tool, a protective frame and a dust-proof outer frame are respectively provided outside the gear and the electric telescopic rod, which can immediately play a role in protection and dust isolation during use, thus avoiding the phenomenon of unsmooth operation caused by dust adhesion. And the provided lifting mechanism can change the height of the CNC machine tool for use by operators of different heights, thereby effectively improving the practicability of the CNC machine tool.

[0016] Parts not involved in the device are the same as or can be implemented by the prior art. The structure of the present utility model is scientific and reasonable, safe and convenient to use, and provides great help to people. Description of the Drawings

[0017] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 It is an isometric structural view of one side of the cross beam of a CNC machine tool proposed by the present utility model;

[0019] Figure 2 It is an isometric structural view of the other side of the cross beam of a CNC machine tool proposed by the present utility model;

[0020] Figure 3 It is a structural view of the lifting mechanism of the cross beam of a CNC machine tool proposed by the present utility model;

[0021] Figure 4 It is a structural view of the roller of the cross beam of a CNC machine tool proposed by the present utility model;

[0022] In the figure: machine tool base 1, machine tool frame 2, support plate 3, fixed plate 4, limit plate 5, guide rail 6, sliding groove 7, moving plate 8, slider 9, roller 10, rotating shaft 11, fixed seat 12, guide wheel 13, toothed plate 14, tooth 15, protective frame 16, gear 17, motor 18, electric telescopic rod 19, dust-proof outer frame 20, numerical control machining tool 21, box body 22, base 23, lifting mechanism 24, anti-slip pad 25. Specific implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: a crossbeam of a numerically controlled machine tool, including a machine tool base 1, machine tool frames 2 are fixedly connected to the four corners of the top of the machine tool base 1, a support plate 3 is fixedly connected to the upper end of one side of the machine tool frame 2, fixed plates 4 are symmetrically fixedly connected to one side of the top of the machine tool frame 2, a guide rail 6 is arranged on the top of one of the fixed plates 4, a toothed plate 14 is arranged on the top of the other fixed plate 4, teeth 15 are arranged on one side of the toothed plate 14, a sliding groove 7 is arranged on one side inside the fixed plate 4, a moving plate 8 is arranged between the two fixed plates 4, sliders 9 are symmetrically fixedly connected to one end of the moving plate 8, rollers 10 are arranged at the upper and lower ends inside the sliders 9, a fixed seat 12 is fixedly connected to one side of the top of the moving plate 8, guide wheels 13 are symmetrically rotatably connected to one side of the fixed seat 12, a protective frame 16 is fixedly connected to the other side of the top of the moving plate 8, a motor 18 is fixedly connected to the top of the protective frame 16, an output end of the motor 18 is fixedly connected to a gear 17. During the movement of the crossbeam, by driving the motor 18 arranged on the top of the moving plate 8, the gear 17 rotates. Under the meshing connection of the toothed plate 14 and the teeth 15, the moving plate 8 can be driven to displace. During the displacement process, a plurality of rollers 10 arranged inside the slider 9 slide for guiding inside the fixed plate 4. The arranged rollers 10 can increase the smoothness during the movement. At the same time, the guide wheels 13 arranged on the top of the moving plate 8 slide for guiding on the top of the guide rail 6. A box body 22 is arranged at the bottom of the machine tool base 1, and a base 23 is fixedly connected to the bottom of the box body 22.

[0025] In the present invention, preferably, limit plates 5 are symmetrically fixedly connected to one end of the fixed plate 4.

[0026] In the present invention, preferably, both the guide rail 6 and the toothed plate 14 are fixedly connected to the fixed plate 4 by bolts.

[0027] In the present utility model, preferably, a plurality of rollers 10 are provided, and the rollers 10 are rotatably connected to the moving plate 8 through a rotating shaft 11.

[0028] In the present utility model, preferably, the guide wheel 13 is in rolling connection with the top of the guide rail 6.

[0029] In the present utility model, preferably, the gear 17 is located inside the protective frame 16, and there is a meshing connection between the outside of the gear 17 and the inside of the tooth 15.

[0030] In the present utility model, preferably, an electric telescopic rod 19 is fixedly connected to the top of the moving plate 8. The output end of the electric telescopic rod 19 penetrates through the inside of the moving plate 8. A dust-proof outer frame 20 is arranged on the outside of the electric telescopic rod 19, and a numerical control machining tool 21 is fixedly connected to the output end of the electric telescopic rod 19.

[0031] In the present utility model, preferably, lifting mechanisms 24 are fixedly connected to the four corners between the machine tool base 1 and the box body 22, and anti-slip pads 25 are fixedly connected to the four corners of the bottom of the base 23.

[0032] The working principle and usage process of the present utility model: When in use, by setting up a sliding mechanism composed of a fixing plate 4, a guide rail 6, a chute 7, a moving plate 8, a slider 9, rollers 10, a fixed seat 12, a guide wheel 13, a toothed plate 14, teeth 15, a gear 17 and a motor 18, during the movement of the cross beam, by driving the motor 18 arranged on the top of the moving plate 8, the gear 17 rotates. Under the meshing connection of the toothed plate 14 and the teeth 15, the moving plate 8 can be driven to displace. During the displacement process, a plurality of rollers 10 arranged inside the slider 9 slide in a guiding manner inside the fixing plate 4. The arranged rollers 10 can increase the smoothness during movement. At the same time, the guide wheel 13 arranged on the top of the moving plate 8 slides in a guiding manner on the top of the guide rail 6, thereby avoiding the problem that the acting point of the motor traction force is not at its center of gravity, resulting in movement deviation and additional friction, and effectively improving the stability, machining accuracy and machining efficiency of the machine tool. During the movement of the cross beam of the numerical control machine tool, by respectively arranging a protective frame 16 and a dust-proof outer frame 20 on the outside of the gear 17 and the outside of the electric telescopic rod 19, an effect of protection and dust isolation can be achieved during use, thereby avoiding the phenomenon of unsmooth operation caused by dust adhesion. And the arranged lifting mechanism 24 can change the height of the numerical control machine tool for use by operators of different heights, thereby effectively improving the practicability of the numerical control machine tool.

[0033] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A crossbeam for a numerically controlled machine tool, comprising a machine tool base (1), characterized in that: The machine tool base (1) is fixedly connected to a machine tool frame (2) at four corners of the top, the upper end of one side of the machine tool frame (2) is fixedly connected to a support plate (3), and one side of the top of the machine tool frame (2) is symmetrically fixedly connected to a fixed plate (4), a guide rail (6) is arranged on the top of the fixed plate (4) on one side, and a tooth plate (14) is arranged on the top of the fixed plate (4) on the other side, and teeth (15) are arranged on one side of the tooth plate (14), a slide groove (7) is arranged on one side of the inside of the fixed plate (4), and a movable plate (8) is arranged between the two fixed plates (4), and one end of the movable plate (8) is A slider (9) is symmetrically fixedly connected, and rollers (10) are arranged at the upper and lower ends of the slider (9). A fixed seat (12) is fixedly connected to one side of the top of the movable plate (8), and a guide wheel (13) is symmetrically rotatably connected to one side of the fixed seat (12). A protective frame (16) is fixedly connected to the other side of the top of the movable plate (8), and a motor (18) is fixedly connected to the top of the protective frame (16), and a gear (17) is fixedly connected to the output end of the motor (18). A box (22) is arranged at the bottom of the machine tool base (1), and a base (23) is fixedly connected to the bottom of the box (22).

2. A CNC machine tool crossbeam according to claim 1, characterized in that: One end of the fixing plate (4) is symmetrically fixedly connected to the limiting plate (5).

3. A CNC machine tool crossbeam according to claim 1, characterized in that: The guide rail (6) and the toothed plate (14) are both fixedly connected to the fixing plate (4) via bolts.

4. A CNC machine tool crossbeam according to claim 1, characterized in that: A plurality of rollers (10) are provided, and the rollers (10) are rotationally connected to the moving plate (8) via a rotating shaft (11).

5. The crossbeam of a CNC machine tool according to claim 1, characterized in that: The guide wheel (13) is located at the top of the guide rail (6) and is rollingly connected.

6. The crossbeam of a CNC machine tool according to claim 1, characterized in that: The gear (17) is located inside the protective frame (16), and the outer side of the gear (17) and the inner side of the teeth (15) are meshingly connected.

7. The crossbeam of a CNC machine tool according to claim 1, characterized in that: The top of the movable plate (8) is fixedly connected to an electric telescopic rod (19), the output end of the electric telescopic rod (19) passes through the interior of the movable plate (8), a dustproof outer frame (20) is arranged on the outside of the electric telescopic rod (19), and the output end of the electric telescopic rod (19) is fixedly connected to a numerical control machining tool (21).

8. The crossbeam of a CNC machine tool according to claim 1, characterized in that: A lifting mechanism (24) is fixedly connected at the four corners between the machine tool base (1) and the box body (22), and an anti-slip pad (25) is fixedly connected at the four corners of the bottom of the base (23).

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