Magnetic pneumatic shaft lock structure

Abstract

The utility model discloses a magnetic pneumatic shaft lock structure which comprises a fixing seat body, an upper cover assembled on the upper portion of the fixing seat body, a bottom cover assembled at the bottom of the fixing seat body and a supporting shaft locked in the fixing seat body, and a clamping sleeve, a sealing piston, a sealing ring and a magnetic ring are arranged in the fixing seat body. The sealing piston is sleeved on the outer side of the jacket, and the sealing rings are respectively sleeved on the upper cover and the sealing piston in a matching manner; an annular groove body is formed in the outer side wall of the sealing piston, the magnetic ring is installed on the annular groove body in a matched mode, and the magnetic ring is in control connection with an external magnetic detection switch. The magnetic induction detection of the pneumatic shaft lock is realized by arranging the magnetic ring, and the position of the magnetic ring can be accurately detected by the magnetic detection switch arranged outside, so that the stroke and the action node of the pneumatic shaft lock are accurately controlled, and the pneumatic shaft lock is better applied to a high-precision positioning scene on a production line.

Description

Technical Field

[0001] This utility model relates to the design and application of pneumatic shaft locks, and more specifically to a magnetic pneumatic shaft lock structure. Background Technology

[0002] In fields such as industrial automation, machinery manufacturing, and aerospace, shaft lock structures are key components that ensure the stable and safe operation of equipment. Traditional shaft lock structures usually adopt mechanical locking methods, such as threaded locking and pin locking. Although the above locking methods meet the locking requirements to a certain extent, they also have shortcomings in terms of operability, locking force, locking stability, and response speed.

[0003] With the development and application of pneumatic technology, pneumatic shaft lock structures have been better utilized. Compared with mechanical shaft locks, pneumatic shaft lock structures are easier to operate, easier to control the locking force, have higher stability, and more precise response speed.

[0004] Existing pneumatic shaft lock structures include Chinese patent: A Double-Locking Pneumatic Shaft Lock Structure, with authorization announcement number CN222296797U. This patent document discloses the specific content and usage of existing pneumatic shaft lock structures. As can be seen from the disclosed patent content, the pneumatic shaft lock uses the cooperation of guide sleeve, clamp, and locking piston to achieve rapid locking and unlocking of the shaft lock by utilizing pneumatic principles, thereby improving the stability and reliability of shaft lock operation.

[0005] However, existing pneumatic shaft lock structures still have shortcomings and drawbacks in practical applications: existing pneumatic shaft locks cannot accurately control the stroke and action nodes during operation, and are not well suited for high-precision positioning scenarios such as automated production lines. Utility Model Content

[0006] The present invention discloses a magnetic pneumatic shaft lock structure, the main purpose of which is to overcome the above-mentioned deficiencies and shortcomings of the prior art.

[0007] The technical solution adopted in this utility model is as follows:

[0008] A magnetic pneumatic shaft lock structure includes a fixed base body, an upper cover mounted on the upper part of the fixed base body, a bottom cover mounted on the bottom of the fixed base body, and a support shaft locked inside the fixed base body. The fixed base body contains a sleeve, a sealing piston, a sealing ring, and a magnetic ring. The sealing piston is fitted onto the outside of the sleeve. Several sealing rings are respectively fitted onto the upper cover and the sealing piston. An annular groove is formed on the outer wall of the sealing piston, and the magnetic ring is fitted onto the annular groove. The magnetic ring is controlled and connected to an external magnetic detection switch. The magnetic ring is used to position and control the stroke and actuation points of the pneumatic shaft lock.

[0009] Furthermore, the mounting base body is also provided with air inlets and outlets.

[0010] Furthermore, a dustproof ring is fitted to the inner upper part of the cover.

[0011] Furthermore, the sealing piston is fitted with two sealing rings, which are respectively fitted onto the upper and lower parts of the sealing piston.

[0012] Furthermore, the jacket is fitted with several steel balls.

[0013] As can be seen from the above description and explanation of this utility model, compared with the prior art, the advantages of this utility model are as follows:

[0014] Advantage 1: This utility model achieves magnetic induction detection of the pneumatic shaft lock by setting a magnetic ring. The position of the magnetic ring can be accurately detected by an externally installed magnetic detection switch, thereby accurately controlling the stroke and action nodes of the pneumatic shaft lock. Its pneumatic shaft lock is better applied to high-precision positioning scenarios on the production line.

[0015] Advantage 2: This utility model further simplifies the structure of the pneumatic shaft lock, which not only saves installation space but also makes the overall structure more compact and aesthetically pleasing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] The components include: a fixed base body 1, an air inlet / outlet 11, an upper cover 2, a bottom cover 3, a support shaft 4, a jacket 5, a sealing piston 6, an annular groove 61, a sealing ring 7, a magnetic ring 8, and a steel ball 9. Detailed Implementation

[0018] The specific embodiments of this utility model will be further described and illustrated below with reference to the accompanying drawings.

[0019] like Figure 1 As shown, a magnetic pneumatic shaft lock structure includes a fixed base body 1, an upper cover 2 mounted on the upper part of the fixed base body 1, a bottom cover 3 mounted on the bottom of the fixed base body 1, and a support shaft 4 locked inside the fixed base body 1. A dustproof ring sleeve 21 is fitted on the upper inner side of the upper cover 2. The fixed base body 1 is provided with a jacket 5, a sealing piston 6, a sealing ring 7, and a magnetic ring 8. The sealing piston 6 is fitted on the outside of the jacket 5, and several steel balls 9 are fitted inside the jacket 5. There are several sealing rings 7, which are respectively fitted on the upper cover 2 and the sealing piston 6. There are two sealing rings 7 fitted on the sealing piston 6, which are respectively fitted on the upper and lower parts of the sealing piston 6. The fixed base body 1 is also provided with an air inlet and outlet port 11.

[0020] like Figure 1 As shown, an annular groove 61 is provided on the outer side wall of the sealing piston 6, and the magnetic ring 8 is installed on the annular groove 61. The magnetic ring 8 is connected to an external magnetic detection switch for control. The magnetic ring 8 is used to position and control the stroke and action nodes of the pneumatic shaft lock.

[0021] Working principle:

[0022] In this design, pneumatic principles are used to achieve rapid locking and unlocking of the support shaft 4. When airflow enters through the inlet / outlet 11, it pushes the locking sealing piston 6 to move along the direction of the support shaft 4 under the constraint of the jacket 5. As the sealing piston 6 moves, its inner wall interacts with the outer wall of the jacket 5, generating a radial locking force around the support shaft 4, thus firmly locking the support shaft. When unlocking is required, the inlet / outlet 11 is opened to expel the gas from the structure, causing the sealing piston 6 to return to its original position, releasing the locking force, and thus unlocking the shaft.

[0023] During the locking process, the position of the magnetic ring 8 on the sealing piston 6 can be accurately detected by the externally installed magnetic detection switch, thereby accurately controlling the stroke and action nodes of the pneumatic shaft lock. Its pneumatic shaft lock is better applied to high-precision positioning scenarios on the production line.

[0024] The above are merely specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial improvements made to this utility model using this concept should be considered as infringing on the protection scope of this utility model.

Claims

1. A magnetic pneumatic shaft lock structure, characterized in that: The device includes a fixed base body, an upper cover mounted on the upper part of the fixed base body, a bottom cover mounted on the bottom of the fixed base body, and a support shaft locked inside the fixed base body. The fixed base body is provided with a jacket, a sealing piston, a sealing ring, and a magnetic ring. The sealing piston is fitted on the outside of the jacket. There are several sealing rings, which are respectively fitted on the upper cover and the sealing piston. An annular groove is formed on the outer wall of the sealing piston. The magnetic ring is fitted on the annular groove and is controlled and connected to an external magnetic detection switch. The magnetic ring is used to position and control the stroke and action node of the pneumatic shaft lock.

2. The magnetic pneumatic shaft lock structure according to claim 1, characterized in that: The mounting base body is also provided with air inlets and outlets.

3. The magnetic pneumatic shaft lock structure according to claim 1, characterized in that: A dustproof ring is fitted to the inner upper part of the cover.

4. The magnetic pneumatic shaft lock structure according to claim 1, characterized in that: The sealing piston has two sealing rings, which are respectively fitted onto the upper and lower parts of the sealing piston.

5. A magnetic pneumatic shaft lock structure according to claim 1, characterized in that: The jacket is fitted with several steel balls.

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