Machine tool moving shaft mechanism with cooling device

Abstract

The utility model discloses a machine tool moving shaft mechanism with a cooling device, which belongs to the technical field of numerical control machining centers and comprises a frame body, a track component, a sliding seat component, a driving mechanism and a cooling mechanism. The track assembly is arranged on the inclined surface of the frame body; the sliding seat assembly is arranged on the track assembly; the driving mechanism comprises a supporting frame, a motor seat and a servo motor, the supporting frame is arranged in the middle of one side of the inclined plane of the frame body, the motor seat is arranged on the supporting frame, and the servo motor is arranged in the motor seat; the cooling mechanism comprises a fixing support and a fan, the fixing support is arranged at the outer end of the servo motor, and the fan is installed on the fixing support. The servo motor is simple in structure and convenient to install and use, precision errors caused by thermal expansion of the motor to equipment are effectively reduced, the service life of the servo motor is effectively prolonged, and cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machining centers, in particular to a machine tool moving axis mechanism with a cooling device. Background Art

[0002] CNC machine tools are automated machine tools equipped with a program control system. After calculation and processing, the CNC device sends out various control signals to control the movement of the machine tool, and automatically processes parts according to the shape and size required by the drawing. CNC machine tools have better solved the problems of complex, precise, small batch, and multi-variety parts processing. They are flexible and high-efficiency automated machine tools, representing the development direction of modern machine tool control technology, and are a typical mechatronics product. The machine tool moving axis mechanism is an important component of the CNC machine tool, which is used to control the left and right movement of the slide assembly. However, the motor will heat up when the machine tool is in a long-term working state. The thermal expansion will cause the lathe accuracy to change, and long-term heating will damage the life of the internal accessories of the machine tool. Utility Model Content

[0003] The utility model aims to provide a machine tool moving axis mechanism with a cooling device to solve the problem that the machine tool moving axis mechanism generates heat during long-term operation, thus affecting the lathe precision and damaging the internal accessories of the lathe.

[0004] Technical solution: The utility model provides a machine tool moving axis mechanism with a cooling device, including: a frame, a track assembly, a slide assembly, a driving mechanism, and a cooling mechanism. The frame is a right-angle trapezoidal structure; the track assembly is arranged on the inclined surface of the frame; the slide assembly is arranged on the track assembly for sliding connection; the driving mechanism includes: a support frame, a motor seat, and a servo motor. The support frame is arranged in the middle position of one side of the inclined surface of the frame, the motor seat is arranged on the support frame, and the servo motor is arranged in the motor seat; the cooling mechanism includes: a fixed bracket and a fan, the fixed bracket is arranged at the outer end of the servo motor, and the fan is installed on the fixed bracket, and the air outlet faces the servo motor. The air cooling design effectively takes away the heat generated by the servo motor working for a long time.

[0005] Furthermore, in the above-mentioned machine tool moving axis mechanism with a cooling device, the track assembly includes: a first guide rail and a second guide rail, and the first guide rail and the second guide rail are respectively arranged at the upper and lower ends of the inclined surface of the frame.

[0006] Furthermore, in the above-mentioned machine tool moving axis mechanism with cooling device, a transmission screw is provided at the output end of the servo motor, the transmission screw is parallel to the track assembly, and is connected to the tail end seat at the other end, and the tail end seat is arranged in the middle position of the inclined surface of the frame, and the transmission screw passes through the slide assembly and is connected to the slide assembly to drive the slide assembly to move.

[0007] Furthermore, in the above-mentioned machine tool moving axis mechanism with cooling device, a crossbeam is provided below the inclined surface of the frame, and a second guide rail is provided above the crossbeam.

[0008] Furthermore, in the above-mentioned machine tool moving axis mechanism with cooling device, the frame is a hollow structure and has a plurality of through holes on the surface, thereby improving the heat dissipation effect, and the design of the hollow structure and through holes reduces the weight of the frame.

[0009] Furthermore, in the above-mentioned machine tool moving axis mechanism with a cooling device, a vent is provided on the outer side of the motor seat to increase the space for air circulation and improve the heat dissipation effect.

[0010] Furthermore, in the above-mentioned machine tool moving axis mechanism with cooling device, a fixing block is provided below the support frame, and the fixing block is fixedly connected to the inclined surface of the frame body, thereby improving the structural strength and stability of the support frame.

[0011] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the machine tool moving axis mechanism with a cooling device described in the utility model has a simple structure and is easy to install and use. By setting a cooling mechanism and increasing vents, gas circulation is improved. The fan starts to run when the machine tool is turned on. By accelerating the air flow, part of the heat generated during the operation of the servo motor is dissipated as soon as possible, effectively reducing the accuracy error of the equipment caused by the thermal expansion of the motor, effectively extending the service life of the servo motor, and at a low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional schematic diagram of a machine tool moving axis mechanism with a cooling device according to the utility model;

[0013] Figure 2 This is a front view of a machine tool moving axis mechanism with a cooling device according to the utility model.

[0014] In the figure: frame 1, track assembly 2, slide assembly 3, drive mechanism 4, cooling mechanism 5, cross beam 11, first guide rail 21, second guide rail 22, support frame 41, motor seat 42, servo motor 43, transmission screw 44, tail end seat 45, fixed bracket 51, fan 52, fixed block 411, vent 421. DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figure 1The shown machine tool moving axis mechanism with cooling device comprises: a frame 1, a track assembly 2, a slide assembly 3, a driving mechanism 4, and a cooling mechanism 5. The frame 1 is a right-angled trapezoidal structure; the track assembly 2 is arranged on the inclined surface of the frame 1; the slide assembly 3 is arranged on the track assembly 2 for sliding connection; the driving mechanism 4 comprises: a support frame 41, a motor seat 42, and a servo motor 43. The support frame 41 is arranged at the middle position of one side of the inclined surface of the frame 1, the motor seat 42 is arranged on the support frame 41, and the servo motor 43 is arranged in the motor seat 42; the cooling mechanism 5 comprises: a fixed bracket 51 and a fan 52. The fixed bracket 51 is arranged at the outer end of the servo motor 43, and the fan 52 is installed on the fixed bracket 51, with the air outlet facing the servo motor 43. The fan 52 is connected to the tail end of the servo motor 43 through the fixed bracket 51. The fan 52 starts to run when the machine tool is turned on, and dissipates part of the heat generated during the operation of the servo motor 43 as soon as possible by accelerating the air flow.

[0017] In this embodiment, the track assembly 2 includes: a first guide rail 21 and a second guide rail 22. The first guide rail 21 and the second guide rail 22 are respectively arranged at the upper and lower ends of the inclined surface of the frame 1. A beam 11 is arranged below the inclined surface of the frame 1, and a second guide rail 22 is arranged above the beam 11.

[0018] Example 2

[0019] On the basis of Example 1, in this example, Figure 2 A machine tool moving axis mechanism with a cooling device is shown, and a transmission screw 44 is provided at the output end of the servo motor 43. The transmission screw 44 is parallel to the track assembly 2 and is connected to the tail end seat 45 at the other end. The tail end seat 45 is arranged in the middle position of the inclined surface of the frame 1. The transmission screw 44 passes through the slide assembly 3 and is connected to the slide assembly 3 to drive the slide assembly 3 to move.

[0020] In this embodiment, the frame 1 is a hollow structure, and a plurality of through holes are provided on the surface, which improves the heat dissipation effect, and the design of the hollow structure and through holes reduces the weight of the frame 1.

[0021] In this embodiment, a vent 421 is provided on the outer side of the motor base 42 to increase the space for air circulation and improve the heat dissipation effect.

[0022] In this embodiment, a fixing block 411 is provided below the support frame 41 , and the fixing block 411 is fixedly connected to the inclined surface of the frame body 1 .

[0023] It should be noted that the above is only a technical solution of the utility model and is not a limitation. Although the utility model is described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A machine tool moving axis mechanism with a cooling device, characterized in that: include: A frame (1), wherein the frame (1) is a right-angled trapezoidal structure; A track component (2), wherein the track component (2) is arranged on the inclined surface of the frame (1); A slide assembly (3), wherein the slide assembly (3) is arranged on the track assembly (2) to be slidably connected; A driving mechanism (4), the driving mechanism (4) comprising: a support frame (41), a motor seat (42), and a servo motor (43), the support frame (41) being arranged at a middle position on one side of the inclined surface of the frame body (1), the motor seat (42) being arranged on the support frame (41), and the servo motor (43) being arranged in the motor seat (42); A cooling mechanism (5), the cooling mechanism (5) comprising: a fixed bracket (51) and a fan (52), the fixed bracket (51) being arranged at the outer end of the servo motor (43), the fan (52) being mounted on the fixed bracket (51), with the air outlet facing the servo motor (43).

2. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: The track assembly (2) comprises: a first guide rail (21) and a second guide rail (22); the first guide rail (21) and the second guide rail (22) are respectively arranged at the upper and lower ends of the inclined surface of the frame body (1).

3. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: The output end of the servo motor (43) is provided with a transmission screw (44), the transmission screw (44) is parallel to the track assembly (2), and is connected to a tail end seat (45) at the other end, and the tail end seat (45) is arranged in the middle position of the inclined surface of the frame (1).

4. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: A crossbeam (11) is provided below the inclined surface of the frame (1), and a second guide rail (22) is provided above the crossbeam (11).

5. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: The frame (1) is a hollow structure, and a plurality of through holes are provided on the surface.

6. The machine tool moving axis mechanism with a cooling device according to claim 3, characterized in that: The transmission screw rod (44) passes through the slide assembly (3) and is connected to the slide assembly (3) to drive the slide assembly (3) to move.

7. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: A ventilation hole (421) is provided on the outer side of the motor seat (42).

8. The machine tool moving axis mechanism with a cooling device according to claim 1, characterized in that: A fixing block (411) is provided below the support frame (41), and the fixing block (411) is fixedly connected to the inclined surface of the frame body (1).

Images