CN212634999U

CN212634999U - Bridge type fixed beam three-axis moving platform

Info

Publication number: CN212634999U
Application number: CN202021334084.XU
Authority: CN
Inventors: 沙平; 肖文顺
Original assignee: Lewei Transmission Technology Suzhou Co ltd
Current assignee: Lewei Transmission Technology Suzhou Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-02
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to the field of mechanical transmission, and discloses a bridge type fixed beam three-axis mobile platform, which comprises a machine base, a fixed beam platform arranged on the machine base, and an X-axis linear module horizontally fixed on the side surface of the fixed beam platform, wherein the X-axis linear module is provided with a switching seat, the switching seat is fixed with a Z-axis linear module parallel to the Z-axis direction, the lower part of the Z-axis linear module is provided with a Y-axis linear module parallel to the Y-axis direction, and the Y-axis linear module is fixed on the machine base; the bridge-type fixed beam is made of marble base materials, stone properties are stable, the bridge-type fixed beam can have strong absorption capacity for internal stress generated in the production process, the mounting rigidity of the Y-axis linear module and the Z-axis linear module is greatly enhanced, and the positioning accuracy is ensured; install the straight line module of X axle on the marble base, reduced the influence of vibration in the motion to crossbeam and vertical Y axle straight line module and Z axle straight line module.

Description

Bridge type fixed beam three-axis moving platform

Technical Field

The utility model relates to a mechanical transmission field, concretely relates to bridge type decides roof beam triaxial moving platform.

Background

The economic development drives the social progress, the three-axis moving platform is widely applied to mechanical production, the existing commonly used three-axis moving platform is poor in fixing rigidity of a Y axis and a Z axis, is easily influenced by vibration generated in movement in long-term use, influences the running accuracy of equipment, and influences the long-term running service life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a bridge type decides roof beam triaxial moving platform.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a bridge type decides roof beam triaxial moving platform, includes the board base and sets up decides roof beam platform, level on the board base and be fixed in the X axle sharp module of deciding roof beam platform side, be provided with the adapter on the X axle sharp module, be fixed with the Z axle sharp module parallel with Z axle direction on the adapter, Z axle sharp module lower part is provided with the Y axle sharp module parallel with Y axle direction, Y axle sharp module is fixed in on the board base.

Further, the X-axis linear module can be a lead screw structure linear positioning module.

Furthermore, the Z-axis linear module comprises a Z-axis base, a Z-axis guide rail arranged on the upper part of the Z-axis base, a Z-axis sliding block capable of sliding on the Z-axis guide rail and a Z-axis motor arranged on the side surface of the Z-axis guide rail.

Further, the X-axis linear module and the Y-axis linear module are identical in structure, the Y-axis linear module comprises a base, a first Y-axis guide rail, a stator and a second Y-axis guide rail are arranged on the base, Y-axis sliding blocks are symmetrically arranged on the first Y-axis guide rail and the second Y-axis guide rail, a moving platform is arranged on the Y-axis sliding blocks, a rotor is arranged on the lower portion of the moving platform, a switching seat is fixed on the upper portion of the moving platform, an optical ruler is arranged on the side face of the base, and a reading head is arranged on the side face of the moving platform.

Further, fixed plates are arranged on two sides of the Y-axis linear module, and connecting plates penetrating through the middle of the moving platform are arranged on the fixed plates.

The utility model has the advantages that: the Y-axis linear module and the Z-axis linear module are changed into fixed gantry structures and are directly connected with the bridge type fixed beam, the bridge type fixed beam is made of marble base materials, stone properties are stable, and the bridge type fixed beam has strong absorption capacity for internal stress generated in the production process, so that the mounting rigidity of the Y-axis linear module and the Z-axis linear module is greatly enhanced, and the positioning accuracy is ensured; install the straight line module of X axle on the marble base, reduced the influence of vibration in the motion to crossbeam and vertical Y axle straight line module and Z axle straight line module.

Drawings

FIG. 1 is a structural diagram of a bridge type fixed beam three-axis mobile platform;

labeled as: 1. a machine base; 2. a beam fixing platform; 3. an X-axis linear module; 4. a Y-axis linear module; 5. a Z-axis linear module; 6. a transfer seat; 401. a connecting plate; 402. a mobile platform; 501. a Z-axis motor; 502. a Z-axis guide rail; 503. a Z-axis slide block;

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The bridge type fixed beam three-axis moving platform shown in fig. 1 comprises a machine base 1, a fixed beam platform 2 arranged on the machine base 1, and an X-axis linear module 3 horizontally fixed on the side surface of the fixed beam platform 2, wherein the fixed beam platform 2 is made of marble material, an adapter 6 is arranged on the X-axis linear module 3, a Z-axis linear module 5 parallel to the Z-axis direction is fixed on the adapter 6, a Y-axis linear module 4 parallel to the Y-axis direction is arranged at the lower part of the Z-axis linear module 5, and the Y-axis linear module 4 is fixed on the machine base 1;

the principle is as follows: in this bridge type decides roof beam triaxial moving platform, X axle sharp module 3 and Z axle sharp module 5 can carry out accurate location to X axle direction and Z axle direction during sharp location, still be provided with Y axle sharp module 4 on the board base 1, cooperation through three sharp module, realize triaxial accurate location, can realize the switching of multistation, gantry structure is decided in X axle sharp module 3 and the use of Z axle sharp module 5, decide roof beam platform 2 and adopt marble material substrate, the vibration that produces during the time of can absorbing, the installation rigidity of Y axle and Z axle has been increased, positioning error has been reduced, be applicable to the structure that is more sensitive to the speed fluctuation.

On the basis, the X-axis linear module 3 can adopt a lead screw structure linear positioning module; the friction coefficient is smaller, and more accurate positioning can be obtained.

On the basis, the Z-axis linear module 5 comprises a Z-axis base, a Z-axis guide rail 502 arranged at the upper part of the Z-axis base, a Z-axis slider 503 capable of sliding on the Z-axis guide rail 502, and a Z-axis motor 501 arranged on the side surface of the Z-axis guide rail 502; in the Z-axis linear module 5, a Z-axis motor 501 can drive a Z-axis slider 503 to slide on a Z-axis guide rail 502, so that the friction resistance is small, and the measurement accuracy is high.

On the basis, the X-axis linear module 3 and the Y-axis linear module 4 have the same structure, the Y-axis linear module 4 comprises a base, a first Y-axis guide rail, a stator and a second Y-axis guide rail are arranged on the base, Y-axis sliding blocks are symmetrically arranged on the first Y-axis guide rail and the second Y-axis guide rail, a moving platform 402 is arranged on the Y-axis sliding blocks, a rotor is arranged at the lower part of the moving platform 402, an adapter 6 is fixed at the upper part of the moving platform 402, an optical ruler is arranged on the side surface of the base, and a reading head is arranged on the side surface of the moving platform 402;

the principle is as follows: the Y-axis linear module 4 can accurately position the position in the Y-axis direction, the rotor can drive the Y-axis sliding block to move on the first Y-axis guide rail and the second Y-axis guide rail during linear positioning, the Y-axis sliding block can drive the upper moving platform 402 to move together, an optical ruler and a reading head can be further mounted on the Y-axis linear module 4, the optical ruler is mounted on the side face of the base, the reading head can move together with the moving platform 402, when the reading head passes through the optical ruler, the reading head can perform data processing, and the moving position is detected to ensure the moving precision; the Y-axis linear module 4 and the X-axis linear module 3 are matched with each other, and accurate positioning in the Y-axis direction and the X-axis direction can be achieved.

On the basis, fixing plates are arranged on two sides of the Y-axis linear module 4, and a connecting plate 401 penetrating through the middle of the moving platform 402 is arranged on each fixing plate; the Y-axis sliding block can drive the moving platform 402 to move when moving, and the connecting plate 401 can ensure the stability of the whole structure.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a bridge type decides roof beam triaxial moving platform which characterized in that: including board base (1) and set up decide roof beam platform (2), the level on board base (1) and be fixed in X axle sharp module (3) of deciding roof beam platform (2) side, decide roof beam platform (2) and be marble material substrate, be provided with adapter (6) on X axle sharp module (3), be fixed with on adapter (6) with Z axle direction parallel Z axle sharp module (5), Z axle sharp module (5) lower part is provided with Y axle sharp module (4) parallel with Y axle direction, Y axle sharp module (4) are fixed in on board base (1).

2. The bridge fixed beam three-axis mobile platform of claim 1, wherein: the X-axis linear module (3) can be a lead screw structure linear positioning module.

3. The bridge fixed beam three-axis mobile platform of claim 1, wherein: the Z-axis linear module (5) comprises a Z-axis base, a Z-axis guide rail (502) arranged on the upper portion of the Z-axis base, a Z-axis sliding block (503) capable of sliding on the Z-axis guide rail (502) and a Z-axis motor (501) arranged on the side face of the Z-axis guide rail (502).

4. The bridge fixed beam three-axis mobile platform of claim 1, wherein: x axle straight line module (3) and Y axle straight line module (4) structure are the same, Y axle straight line module (4) include the base, be provided with first Y axle guide rail, stator and second Y axle guide rail on the base, the symmetry is provided with the Y axle slider on first Y axle guide rail and the second Y axle guide rail, be provided with moving platform (402) on the Y axle slider, moving platform (402) lower part is provided with the active cell, moving platform (402) upper portion is fixed with adapter (6), the base side is provided with the optical ruler, moving platform (402) side is provided with the read head.

5. The bridge fixed beam three-axis mobile platform of claim 1, wherein: and fixing plates are arranged on two sides of the Y-axis linear module (4), and a connecting plate (401) penetrating through the middle of the moving platform (402) is arranged on each fixing plate.