Long-distance lead screw middle supporting mechanism

Abstract

The utility model relates to the technical field of machining centers, in particular to a long-distance lead screw middle supporting mechanism which comprises a lathe bed, installation supports are arranged at the two ends of one side of the lathe bed, a lifting seat is movably installed between the two installation supports, and a lifting mechanism is arranged between the lifting seat and the installation supports. And the ball screw is arranged at the top end of one side of the lathe bed, the ball screw and the lifting seat are located on the same central axis, and a guide mechanism is arranged outside one side of the lifting seat. The ball screw is installed in the fixing base used for supporting on one side of the lathe bed and fixed by the fixing base, the supporting air cylinder is ventilated all the time, the supporting air cylinder is started during lifting, the supporting air cylinder jacks the lifting base, and after the lifting base is jacked, the supporting nylon block at the top end is controlled to be supported and lifted on the lower end face of the middle of the ball screw. Meanwhile, the cutting board is in contact with the ball bearing, so that stable operation of the ball screw can be ensured, the precision of a machine tool is improved, and vibration of the machine tool is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of machining centers, in particular to a long-distance lead screw intermediate support mechanism. Background Art

[0002] A machining center is a CNC machine tool that is mainly used for precision metal processing. It is commonly used in manufacturing industries, including aerospace, automotive manufacturing, mold manufacturing, medical equipment, etc. The machining center has a multi-axis motion system that can move and rotate in different directions to achieve precise processing of the workpiece.

[0003] At present, the existing long-distance lead screw intermediate support mechanism on the market is not convenient for quick support when in use, and during processing, the vibration of the machine tool can easily cause the accuracy of the long-distance lead screw after cutting. Therefore, it is necessary to design a long-distance lead screw intermediate support mechanism. Utility Model Content

[0004] The purpose of the utility model is to provide a long-distance lead screw intermediate support mechanism to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] Long distance lead screw intermediate support mechanism, including

[0007] A bed, with mounting brackets arranged at both ends of one side of the bed, a lifting seat movably arranged between the two mounting brackets, and a lifting mechanism arranged between the lifting seat and the mounting brackets;

[0008] A ball screw is arranged at the top end of one side of the bed, the ball screw and the lifting seat are on the same central axis, and a guide mechanism is arranged on the outside of one side of the lifting seat.

[0009] Preferably, the lifting mechanism includes a linear guide rail and a supporting cylinder, the supporting cylinder is arranged at the bottom end of one side of the device mounting bracket, a linear guide rail is arranged at the inner wall of one side of the bed, and one side of the lifting seat is slidably connected to the linear guide rail;

[0010] Preferably, the lifting mechanism further comprises a supporting nylon block, and the supporting nylon block is fixedly mounted on the top middle portion of the lifting seat;

[0011] Preferably, the upper end surface of the supporting nylon block is provided with a semicircular groove, and the semicircular groove matches the lower end surface of the ball screw;

[0012] Preferably, the guide mechanism includes a ball bearing, the top end of the lifting seat away from the linear guide rail is movably mounted with the ball bearing through an axle seat, a knife plate is provided on the side of the bed close to the ball bearing, and the knife plate and the ball bearing are on the same central axis.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The long-distance screw intermediate support mechanism, the ball screw is installed in a fixed seat for support on one side of the bed, and is fixed by the fixed seat and does not move. The support cylinder is always ventilated. The support cylinder is started during lifting, and the support cylinder lifts the lifting seat. After the lifting seat is lifted, the supporting nylon block at the top is controlled to support and lift it on the middle lower end surface of the ball screw. At the same time, the knife plate is in contact with the roller bearing ball bearing, which can ensure the smooth operation of the ball screw, thereby improving the machine tool accuracy and reducing the machine tool vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall top view structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the knife plate installation structure of the utility model.

[0018] In the figure: 1. ball bearing; 2. supporting cylinder; 3. bed; 4. linear guide; 5. ball screw; 6. supporting nylon block; 7. mounting bracket; 8. lifting seat; 9. knife plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1-3 As shown, a technical solution provided by the utility model:

[0021] The long-distance lead screw intermediate support mechanism includes a bed 3, mounting brackets 7 are arranged at both ends of one side of the bed 3, a lifting seat 8 is movably installed between the two mounting brackets 7, a lifting mechanism is arranged between the lifting seat 8 and the mounting bracket 7, and the lifting mechanism includes a linear guide rail 4 and a supporting cylinder 2, the supporting cylinder 2 is arranged at the bottom end of one side of the device mounting bracket 7, a linear guide rail 4 is arranged on the inner wall of one side of the bed 3, one side of the lifting seat 8 is slidably connected with the linear guide rail 4, and the lifting mechanism also includes a supporting nylon block 6, and the supporting nylon block 6 is fixedly installed in the middle of the lifting seat 8 At the top of the part, the upper end surface of the supporting nylon block 6 is provided with a semicircular groove, and the semicircular groove matches the lower end surface of the ball screw 5. The ball screw 5 is arranged at the top of one side of the bed 3, and the ball screw 5 and the lifting seat 8 are on the same central axis. A guide mechanism is arranged on the outside of one side of the lifting seat 8, and the guide mechanism includes a ball bearing 1. The top of the side of the lifting seat 8 away from the linear guide rail 4 is movably installed with the ball bearing 1 through the shaft seat, and a knife plate 9 is arranged on the side of the bed 3 close to the ball bearing 1, and the knife plate 9 and the ball bearing 1 are on the same central axis;

[0022] In this embodiment, the ball screw 5 is installed in a fixed seat for support on one side of the bed 3, and is fixed by the fixed seat and does not move. The support cylinder 2 is always ventilated. The support cylinder 2 is started during lifting, and the support cylinder 2 lifts the lifting seat 8. After the lifting seat 8 is lifted, the supporting nylon block 6 at the top is controlled to support and lift it on the middle lower end surface of the ball screw 5. At the same time, the knife plate 9 is in contact with the roller bearing ball bearing 1, which can ensure the smooth operation of the ball screw 5, thereby improving the machine tool accuracy and reducing the vibration of the machine tool.

[0023] Working principle: the ball screw 5 is installed in a fixed seat for support on one side of the bed 3, and is fixed by the fixed seat and does not move. The support cylinder 2 is always ventilated. When lifting, the support cylinder 2 is started, and the support cylinder 2 lifts the lifting seat 8. After the lifting seat 8 is lifted, the supporting nylon block 6 at the top is controlled to support and lift it on the middle lower end surface of the ball screw 5. At the same time, the knife plate 9 is in contact with the roller bearing ball bearing 1, which can ensure the smooth operation of the ball screw 5, thereby improving the machine tool accuracy and reducing the vibration of the machine tool.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Long distance lead screw intermediate support mechanism, characterized by: include A bed (3), wherein mounting brackets (7) are arranged at both ends of one side of the bed (3), a lifting seat (8) is movably installed between the two mounting brackets (7), and a lifting mechanism is arranged between the lifting seat (8) and the mounting bracket (7); A ball screw (5) is arranged at the top end of one side of the bed (3), the ball screw (5) and the lifting seat (8) are located on the same central axis, and a guide mechanism is arranged on the outside of one side of the lifting seat (8).

2. The long-distance lead screw intermediate support mechanism according to claim 1, characterized in that: The lifting mechanism comprises a linear guide rail (4) and a supporting cylinder (2); the supporting cylinder (2) is arranged at the bottom end of one side of a device mounting bracket (7); a linear guide rail (4) is arranged on the inner wall of one side of the bed (3); and one side of the lifting seat (8) is slidably connected to the linear guide rail (4).

3. The long-distance lead screw intermediate support mechanism according to claim 2, characterized in that: The lifting mechanism also includes a supporting nylon block (6), and the supporting nylon block (6) is fixedly mounted on the top middle portion of the lifting seat (8).

4. The long-distance lead screw intermediate support mechanism according to claim 3 is characterized in that: The upper end surface of the supporting nylon block (6) is provided with a semicircular groove, and the semicircular groove matches the lower end surface of the ball screw (5).

5. The long-distance lead screw intermediate support mechanism according to claim 2, characterized in that: The guide mechanism comprises a ball bearing (1); the top end of the lifting seat (8) away from the linear guide rail (4) is movably mounted with the ball bearing (1) via an axle seat; a knife plate (9) is arranged on the side of the bed (3) close to the ball bearing (1); the knife plate (9) and the ball bearing (1) are located on the same central axis.

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