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CN-224214557-U - High-strength linear optical axis

CN224214557UCN 224214557 UCN224214557 UCN 224214557UCN-224214557-U

Abstract

The utility model belongs to the field of linear optical axes, in particular to a high-strength linear optical axis, which comprises an inner shaft, an outer shaft and an end cover, wherein one end of the inner shaft is provided with a first threaded hole, the circumferential surface of the inner shaft is equidistantly fixed with a limit strip, the outer shaft is provided with a circular cavity, two ends of the outer shaft are provided with circular openings, the circular cavity of the outer shaft is equidistantly fixed with a limit groove, one side of the end cover is provided with an assembly cavity, the other side of the end cover is provided with a second threaded hole, when the outer shaft is sleeved on the inner shaft, the end cover is sleeved on the inner shaft, the end part of the outer shaft is abutted against the assembly cavity, a fastening bolt is in threaded fit on a containing groove, and the fastening bolt stretches into the first threaded hole. Through interior axle, first screw hole, outer axle, end cover and fastening bolt, when using this device, only need dismantle the outer axle after the optical axis outer wall wearing and tearing change alone can, interior axle reuse has reduced the consumption of material, has reduced the material cost of equipment maintenance in-process.

Inventors

  • MAO WENFEI
  • MAO CHUNRONG
  • WANG ZHONGJU
  • HU XIANDA

Assignees

  • 浙江银尚导轨有限公司

Dates

Publication Date
20260508
Application Date
20250702

Claims (7)

  1. 1. A high intensity linear optical axis comprising: The novel structure comprises an inner shaft (1), wherein one end of the inner shaft (1) is provided with a first threaded hole (11), and limit strips (2) are fixed on the circumferential surface of the inner shaft (1) at equal intervals; The outer shaft (3), the outer shaft (3) is provided with a circular cavity, two ends of the outer shaft (3) are provided with circular openings, and limit grooves (31) are equidistantly fixed on the circular cavity of the outer shaft (3); The end cover (4), assembly chamber (40) has been seted up to one side of end cover (4), accomodate groove (42) has been seted up to one side of end cover (4), accomodate second screw hole (43) of having seted up intercommunication assembly chamber (40) on groove (42), second screw hole (43) have been seted up to the opposite side of end cover (4), when outer axle (3) cover was established on interior axle (1), end cover (4) cover is established on interior axle (1), the tip of outer axle (3) is contradicted with assembly chamber (40), accomodate groove (42) upper thread fit has fastening bolt (5), fastening bolt (5) stretch into in first screw hole (11).
  2. 2. The high-strength linear optical axis of claim 1, wherein the cross-section projection of the inner shaft (1) is T-shaped, and the inner shaft (1) is provided with an oil filler hole (10).
  3. 3. The high-strength linear optical axis of claim 2, wherein the outer wall of the outer shaft (3) is provided with an oil outlet (30), the oil outlet (30) is communicated with a circular cavity of the outer shaft (3), and the oil outlet (30) is concentric with the oil filling hole (10) when the outer shaft (3) is matched with the inner shaft (1).
  4. 4. A high-strength linear optical axis as claimed in claim 3, characterized in that the limit groove (31) cooperates with the limit bar (2) when the outer shaft (3) is fitted on the inner shaft (1).
  5. 5. A high-strength rectilinear optical axis according to claim 4, characterized in that the inner diameter of the outer shaft (3) is adapted to the smallest diameter of the inner shaft (1), and the outer diameter of the outer shaft (3) is adapted to the largest diameter of the inner shaft (1).
  6. 6. A high-strength linear optical axis as claimed in claim 1, wherein the inner wall of the assembly cavity (40) is provided with an arc-shaped groove (41) adapted to the limit bar (2), and the arc-shaped groove (41) is matched with the limit bar (2) when the end cover (4) is sleeved on the inner shaft (1).
  7. 7. A high strength straight optical axis according to claim 6, characterized in that the outer wall of the end cap (4) is provided with anti-slip threads, the diameter of the fitting cavity (40) being adapted to the smallest diameter of the inner shaft (1).

Description

High-strength linear optical axis Technical Field The utility model relates to the field of linear optical axes, in particular to a high-strength linear optical axis. Background The linear optical axis is used as a key basic component for guiding linear motion in the fields of mechanical transmission, automation equipment and the like, is widely applied to equipment such as machine tools, robots, conveying devices and the like, and realizes a linear guiding function with low friction and high stability by means of the cooperation of a high-precision cylindrical surface and a matched sliding bearing. In the prior art, the linear optical axis is designed into an integral structure, namely the whole optical axis is formed by processing a single material, the outer wall of the optical axis is directly contacted with an external environment and matched components, the problems of abrasion of the outer wall, reduction of surface precision and the like are extremely easy to occur due to the fact that the integral structure is adopted, when the abrasion of the outer wall of the optical axis seriously affects the operation precision and stability of equipment, the whole linear optical axis can only be replaced, a large amount of material loss is caused, and the use cost is increased. Disclosure of utility model In order to solve the problems that in the prior art, when the abrasion of the outer wall of an optical axis seriously affects the operation precision and stability of equipment, the whole linear optical axis can only be replaced, so that a large amount of material loss is caused, and the use cost is increased, the utility model provides a high-strength linear optical axis. The technical scheme includes that the high-strength linear optical axis comprises an inner shaft, an outer shaft and an end cover, wherein first threaded holes are formed in one end of the inner shaft, limit strips are fixed on the circumferential surface of the inner shaft at equal intervals, the outer shaft is provided with a circular cavity, two ends of the outer shaft are provided with circular openings, and limit grooves are fixed on the circular cavity of the outer shaft at equal intervals. The assembly cavity is offered to one side of end cover, the second screw hole has been offered to the opposite side of end cover, when outer axle sleeve was established in interior epaxial, the end cover is established in interior epaxial, the tip of outer axle is contradicted with the assembly cavity, screw thread fit has fastening bolt on the storage tank, fastening bolt stretches into first screw hole. Preferably, the cross-section projection of the inner shaft is T-shaped, and the inner shaft is provided with an oil filling hole. Preferably, the outer wall of the outer shaft is provided with an oil outlet, the oil outlet is communicated with the circular cavity of the outer shaft, and when the outer shaft is matched with the inner shaft, the oil outlet and the oil injection hole are concentric. Preferably, the limit groove is matched with the limit strip when the outer shaft is matched with the inner shaft. Preferably, the inner diameter of the outer shaft is adapted to the smallest diameter of the inner shaft and the outer diameter of the outer shaft is adapted to the largest diameter of the inner shaft. Preferably, the inner wall of the assembly cavity is provided with an arc-shaped groove which is adapted to the limit strip, and the arc-shaped groove is matched with the limit strip when the end cover is sleeved on the inner shaft. Preferably, a storage groove is formed in one side of the end cover, and a second threaded hole communicated with the assembly cavity is formed in the storage groove. Preferably, the outer wall of the end cap is provided with anti-slip threads, and the diameter of the assembly cavity is adapted to the minimum diameter of the inner shaft. The utility model has the advantages that: 1. According to the utility model, through the structural design of the inner shaft, the first threaded hole, the outer shaft, the end cover and the fastening bolt, when the device is used, only the outer shaft is required to be disassembled for independent replacement after the outer wall of the optical axis is worn, the inner shaft can be reused, the consumption of materials is greatly reduced, and the material cost in the equipment maintenance process is reduced; 2. According to the utility model, through the structural design of the limiting strips and the limiting grooves, the outer shaft can be guided in the assembly process, so that the oil outlet can be accurately matched with the oil filling hole, the subsequent normal lubrication is ensured, the assembled fastening bolt can be positioned in the storage groove by the aid of the storage groove, and the condition that the fastening bolt is bent and influenced by accidental collision is avoided. Drawings In order to more clearly illustrate the embodiments of the utility model or t