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CN-116512161-B - Annular pneumatic positioning system and method

CN116512161BCN 116512161 BCN116512161 BCN 116512161BCN-116512161-B

Abstract

The invention relates to an annular pneumatic positioning system and an annular pneumatic positioning method, wherein the positioning system comprises a bottom plate, an annular table arranged on the bottom plate and a pneumatic tray arranged in the annular table, a product to be detected is placed in the pneumatic tray, a plurality of first telescopic tubes are arranged on the inner wall of the annular table, a plurality of second telescopic tubes are arranged on the bottom plate, the first telescopic tubes and the second telescopic tubes are both connected with a control assembly, a plurality of orifices are formed in the first telescopic tubes and the second telescopic tubes, the first telescopic tubes and the second telescopic tubes are both connected with an air supply assembly, and the first telescopic tubes and the second telescopic tubes drive the pneumatic tray to move through expansion. The invention can ensure that the product in the pneumatic tray moves randomly in the annular pneumatic positioning system along with the pneumatic tray, the positioning system is not contacted with the product, the damage to the surface of the product caused by clamping is avoided, the gas is used without pollution, the flexibility is high, a large amount of electric power and mechanical energy are not required, and the invention is energy-saving and environment-friendly.

Inventors

  • QIU DEZHONG
  • NIU ZENGYUAN
  • DING HUI

Assignees

  • 江苏集萃精凯高端装备技术有限公司

Dates

Publication Date
20260505
Application Date
20230602

Claims (11)

  1. 1. An annular pneumatic positioning system is characterized by comprising a bottom plate (1), an annular table (2) arranged on the bottom plate (1) and a pneumatic tray (3) arranged in the annular table (2), wherein a product to be detected is placed in the pneumatic tray (3), a plurality of first telescopic pipes (4) moving along the radial direction of the annular table (2) are arranged on the inner wall of the annular table (2), a plurality of second telescopic pipes (5) moving along the axial direction of the annular table (2) are arranged on the bottom plate (1), the first telescopic pipes (4) and the second telescopic pipes (5) are connected with a control assembly for controlling the first telescopic pipes (4) and the second telescopic pipes (5) to stretch, one ends of the first telescopic pipes (4) and the second telescopic pipes (5) close to the pneumatic tray (3) are respectively provided with a plurality of air supply assemblies, one ends of the first telescopic pipes (4) and the second telescopic pipes (5) far away from the pneumatic tray (3) are respectively connected with an air supply assembly for supplying air, the first telescopic pipes (4) and the second telescopic pipes (5) are connected with the pneumatic tray (3) through the first telescopic pipes (4) and the pneumatic tray (3), and a second air film is formed between the second telescopic pipe (5) and the pneumatic tray (3).
  2. 2. The annular pneumatic positioning system according to claim 1, characterized in that the first telescopic tubes (4) are arranged in an array on the inner wall and the second telescopic tubes (5) are arranged in an array on the bottom plate (1).
  3. 3. The annular pneumatic positioning system of claim 1, wherein the first air film is 8-12um in distance and the second air film is 8-12um in distance.
  4. 4. The annular pneumatic positioning system according to claim 1, wherein the pneumatic tray (3) comprises a bottom surface and a plurality of side surfaces arranged at the edges of the bottom surface, and the cross section of the pneumatic tray (3) is a regular polygon.
  5. 5. Annular pneumatic positioning system according to claim 4, characterized in that the number of sides is the same as the number of first telescopic tubes (4) per turn.
  6. 6. Annular pneumatic positioning system according to claim 5, characterized in that the number of first telescopic tubes (4) per turn is 36, the cross section of the pneumatic pallet (3) being a regular thirty-hexagon.
  7. 7. Annular pneumatic positioning system according to claim 4, characterized in that the inner surface of the annular table (2) comprises several areas distributed in the vertical direction, the number of the first bellows (4) in at least one of said areas being different from the number of the first bellows (4) in the other of said areas.
  8. 8. The annular pneumatic positioning system according to claim 1, wherein the air supply assembly comprises an air source (71), a pipeline diverter (72), an air supply main pipe (73) for connecting the air source (71) and the pipeline diverter (72) and a plurality of air supply branch pipes (74), one end of each air supply branch pipe (74) is connected with the pipeline diverter (72), the other end of each air supply branch pipe is connected with the first telescopic pipe (4) or the second telescopic pipe (5), and an air control valve is arranged on the air supply main pipe (73).
  9. 9. Annular pneumatic positioning system according to claim 1, characterized in that the inner wall is provided with an annular grating and a sensor for detecting the position of the pneumatic tray (3).
  10. 10. A positioning method based on an annular pneumatic positioning system as claimed in claim 1, characterized in that it comprises: S1, placing a product to be detected in a pneumatic tray (3), placing the pneumatic tray (3) in an annular table (2), and supporting the pneumatic tray (3) on a second telescopic pipe (5); s2, opening the air supply assembly, wherein the first telescopic pipe (4) and the second telescopic pipe (5) release air through the throttle hole (6) at the same time, and the second air film lifts the pneumatic tray (3) to enter the step S4, or opening the air supply assembly, wherein the second telescopic pipe (5) releases air through the throttle hole (6), and the second air film lifts the pneumatic tray (3) to enter the step S3; S3, after the pneumatic tray (3) is stable, the first telescopic pipe (4) releases gas through the throttle hole (6); S4, the control assembly controls the first telescopic tube (4) to extend out, and the pneumatic tray (3) is fixed; S5, the control assembly controls the first telescopic tube (4) and the second telescopic tube (5) to extend or retract to drive the pneumatic tray (3) and the product to move to the designated position.
  11. 11. Positioning method according to claim 10, characterized in that in step S5 the control assembly controls all the first telescopic tubes (4) and all the second telescopic tubes (5) independently.

Description

Annular pneumatic positioning system and method Technical Field The invention relates to the technical field of positioning systems, in particular to an annular pneumatic positioning system and an annular pneumatic positioning method. Background Along with the development of society, the precision degree of products is more and more emphasized no matter the manufacturing of large-scale equipment, the manufacturing of instruments and meters, or the process and the manufacturing of miniature products such as semiconductors, but the precision degree of inspection links such as the inspection of finished products, the periodic inspection of instruments and meters in the use process and the like is more emphasized, the precision of the equipment determines the precision of the inspection, thereby determining the competitive power with the same line, and the precise positioning device and system are not separated in the inspection process of the precise instruments. Most of the existing positioning systems are contact type, products to be inspected are fixed on an inspection position through positioning pieces such as clamping jaws, hard contact between the positioning pieces and the products easily damages the surfaces of the products, or products to be processed are fixed on a processing station in an adhesive mode, adhesive objects such as glue solution easily remain on the surfaces of the products to influence the surface accuracy, meanwhile, a moving device often adopts a multi-axis positioning mode, a plurality of groups of moving mechanisms are needed to be matched, power is needed to be provided, friction can be generated in the moving process, and the moving accuracy is reduced to a certain extent. Therefore, it is necessary to provide an annular pneumatic positioning system which is free from contact with products, high in moving precision, energy-saving and environment-friendly. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides an annular pneumatic positioning system and an annular pneumatic positioning method. The technical scheme of the invention is as follows: The utility model provides an annular pneumatic positioning system, includes the bottom plate, sets up annular table and the pneumatic tray of setting in annular table inside on the bottom plate, the product that waits to detect is put in the pneumatic tray, be equipped with a plurality of edges on the inner wall of annular table the first flexible pipe of annular table radial direction activity, be equipped with a plurality of edges on the bottom plate the second flexible pipe of annular table axial direction activity, first flexible pipe with the flexible control assembly that is used for controlling first flexible pipe with the flexible pipe of second carries out, first flexible pipe with the flexible pipe of second is close to the one end of pneumatic tray all is equipped with a plurality of orifices, first flexible pipe with the one end that the pneumatic tray was kept away from to the second flexible pipe is all connected and is provided gaseous air feed assembly, first flexible pipe with the second flexible pipe passes through flexible drive the pneumatic tray motion, first flexible pipe with form first air film between the pneumatic tray, second flexible pipe with form the second air film between the pneumatic tray. As a further improvement of the invention, the first telescopic tubes are arranged on the inner wall in an array manner, and the second telescopic tubes are arranged on the bottom plate in an array manner. As a further improvement of the invention, the distance between the first air film and the second air film is 8-12um. As a further improvement of the invention, the pneumatic tray comprises a bottom surface and a plurality of side surfaces arranged at the edge of the bottom surface, and the cross section of the pneumatic tray is regular polygon. As a further development of the invention, the number of sides is the same as the number of first telescopic tubes per turn. As a further improvement of the invention, the number of the first telescopic pipes is 36 per circle, and the cross section of the pneumatic tray is regular thirty hexagons. As a further development of the invention, the inner surface of the annular table comprises several areas distributed in the vertical direction, the number of the first telescopic tubes in at least one of the areas being different from the number of the first telescopic tubes in the other areas. As a further improvement of the invention, the air supply assembly comprises an air source, a pipeline diverter, an air supply main pipe connected with the air source and the pipeline diverter and a plurality of air supply branch pipes, wherein one end of each air supply branch pipe is connected with the pipeline diverter, the other end of each air supply branch pipe is connected with the first telescopic pipe or the second telescopic pipe, and an a