CN215488254U

CN215488254U - Multi-channel air guide device for rotary moving part

Info

Publication number: CN215488254U
Application number: CN202023329308.0U
Authority: CN
Inventors: 邓智; 刘虎; 谢映帅
Original assignee: Hubei Chuda Intelligent Equipment Co Ltd
Current assignee: Hubei Chuda Intelligent Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-11
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of pneumatic and lubricating equipment, in particular to a multi-channel air guide device for a rotary moving part, which comprises a mandrel, wherein gas and lubricating oil in a static object are conducted into a pneumatic executive part which performs rotary motion, so that the pneumatic executive part performs oil-gas execution work in the rotary motion process, and the device consists of the mandrel, an outer sleeve, an upper bearing, an upper pressing ring, an air channel rotary sealing ring, an air guide ring, a lower pressing ring, a lower bearing, a retaining ring for a shaft, a connecting screw, an end surface O-shaped sealing ring, a base, an O-shaped sealing ring, a gland and an oil channel rotary sealing ring, and has the advantages that: through rotary seal circle, the air ring that sets up, adopt rotary seal circle and air ring stack mode to replace traditional ring slot formula structure and Y type sealing washer, realize the conduction of multichannel oil gas, improved each gas circuit and oil circuit leakproofness, promoted device durability and life.

Description

Multi-channel air guide device for rotary moving part

Technical Field

The utility model relates to the technical field of pneumatic and lubricating equipment, in particular to a multi-channel air guide device for a rotary moving part.

Background

The pneumatic equipment is an engineering technology which takes an air compressor as a power source and compressed air as a working medium to carry out energy transmission and information transmission. The pneumatic technology is one of the most effective means for automation and mechanization of the production process, and has the advantages of high speed, high efficiency, cleanness, safety, low cost, easy maintenance and the like.

At present, what pneumatic executive component oil gas conduction device that is rotary motion on the pneumatic equipment all adopted basically is the ring groove formula structure, every annular corresponds a gas circuit, it carries out the gas circuit to install Y type sealing washer in the annular and seals, when needs conduction multichannel number gas, because annular quantity increases, processing and installation are very difficult, and each annular is sealed the effect poor, Y type sealing washer is worn and torn easily under the rotary motion friction, cause to crowd gas too big, finally lead to sealed inefficacy, life shortens.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multi-channel air guide device of a rotary moving part.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the device comprises a mandrel, an outer sleeve, an upper bearing, an upper pressing ring, an air path rotary sealing ring, an air guide ring, a lower pressing ring, a lower bearing, a shaft check ring, a connecting screw, an end face O-shaped sealing ring, a base, an O-shaped sealing ring, a gland and an oil path rotary sealing ring.

Preferably, the mandrel is fixed with the static base piece through a screw, the base is fixed with the rotary executing piece through a screw, and the outer sleeve is fixed with the base through a connecting screw.

Preferably, the mandrel and the outer sleeve are connected through an upper bearing and a lower bearing, and the mandrel and the outer sleeve can do relative coaxial rotary motion.

Preferably, an air guide ring and an air path rotary sealing ring are arranged between the mandrel and the outer sleeve and are arranged in a stacked mode along the axis direction.

Preferably, the upper pressing ring and the lower pressing ring are respectively installed at the bottoms of the upper bearing and the lower bearing, and a gland and an oil path rotary sealing ring are installed between the base and the mandrel.

The multi-channel air guide device for the rotary moving part has the advantages that: through rotary seal circle, the air ring that sets up, adopt rotary seal circle and air ring stack mode to replace traditional ring slot formula structure and Y type sealing washer, realize the conduction of multichannel oil gas, improved each gas circuit and oil circuit leakproofness, promoted device durability and life.

Drawings

Fig. 1 is a cross-sectional view of a multi-path oil-gas conducting device provided by the utility model.

In the figure: 1. a mandrel; 2. a jacket; 3. an upper bearing; 4. an upper pressing ring; 5. the gas circuit rotates the seal ring; 6. a gas guide ring; 7. pressing a ring; 8. a lower bearing; 9. a retainer ring for a shaft; 10. a connecting screw; 11. an end face O-shaped sealing ring; 12. a base; 13. an O-shaped sealing ring; 14. a gland; 15. oil circuit rotary seal circle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, the multi-channel air guide device of the rotary motion part comprises a mandrel 1 and is characterized in that: the device is composed of a mandrel 1, an outer sleeve 2, an upper bearing 3, an upper pressing ring 4, a gas path rotary sealing ring 5, a gas guide ring 6, a lower pressing ring 7, a lower bearing 8, a shaft check ring 9, a connecting screw 10, an end surface O-shaped sealing ring 11, a base 12, an O-shaped sealing ring 13, a gland 14 and an oil path rotary sealing ring 15; through the rotary seal ring that sets up, air guide ring 6, adopt rotary seal ring and the 6 stack modes of air guide ring to replace traditional ring slot type structure and Y type sealing washer, realize the conduction of multichannel oil gas, improved each gas circuit and oil circuit leakproofness, promoted device durability and life.

The core shaft 1 is fixed with the static base piece through a screw, the base 12 is fixed with the rotary executing piece through a screw, and the outer sleeve 2 is fixed with the base 12 through a connecting screw 10; the mandrel 1 is fixed with the static base piece conveniently by arranging screws, and the base 12 is fixed with the rotary executing piece; by arranging the connecting screw 10, the stability and firmness of the connection between the outer sleeve 2 and the base 12 are improved.

The mandrel 1 and the outer sleeve 2 are connected through an upper bearing 3 and a lower bearing 8, and the mandrel 1 and the outer sleeve 2 can do relative coaxial rotary motion; the mandrel 1 and the outer sleeve 2 are connected through the upper bearing 3 and the lower bearing 8, so that the connection tightness of the mandrel and the outer sleeve is improved conveniently.

Wherein, an air guide ring 6 and an air path rotary sealing ring 5 are arranged between the mandrel 1 and the outer sleeve 2, and the air guide ring 6 and the air path rotary sealing ring 5 are arranged in a superposition way along the axial direction; through installing air guide ring 6 and gas circuit rotary seal ring 5 between dabber 1 and overcoat 2, be convenient for realize multichannel oil gas conduction, improve each gas circuit and oil circuit leakproofness.

Wherein, the upper pressing ring 4 and the lower pressing ring 7 are respectively arranged at the bottom of the upper bearing 3 and the lower bearing 8, and a gland 14 and an oil circuit rotary sealing ring 15 are arranged between the base 12 and the mandrel 1; by installing the upper and lower pressing rings 4 and 7 at the bottom of the upper and lower bearings 3 and 8, respectively, it is convenient to improve the stability of the upper and lower bearings 3 and 8.

The working principle is as follows: when the pneumatic guide device is used, an air path and an oil path are externally or internally connected to the mandrel 1 from the base piece, the mandrel 1 and the base piece are fixed by screws, after air flow enters the mandrel 1, the air flow enters a closed space between the air guide ring 6 and the outer sleeve 2 through respective passages, the outer sleeve 2 is fixed by screws and the base 12, the outer sleeve 2 and the base 12 are sealed by the O-shaped sealing ring 13, the base 12 is fixed by screws and a pneumatic executive and rotates along with the pneumatic executive, the air flow and lubricating oil enter the pneumatic executive through the passages between the base 12 and the pneumatic executive, each passage is sealed by the rotary sealing ring 5, the outer sleeve 2 and the pneumatic executive are sealed by the end surface O-shaped sealing ring 13, the mandrel 1 and the base 12 are sealed by the oil path rotary sealing ring 15, and finally, rotary oil gas introduction is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The multi-channel air guide device of the rotary motion part comprises a mandrel (1) and is characterized in that: the device is characterized in that gas and lubricating oil in a static object are conducted into a pneumatic executive component which does rotary motion, so that the pneumatic executive component performs oil-gas execution work in the rotary motion process, and the device is composed of a mandrel (1), an outer sleeve (2), an upper bearing (3), an upper pressure ring (4), a gas circuit rotary sealing ring (5), a gas guide ring (6), a lower pressure ring (7), a lower bearing (8), a shaft check ring (9), a connecting screw (10), an end surface O-shaped sealing ring (11), a base (12), an O-shaped sealing ring (13), a gland (14) and an oil circuit rotary sealing ring (15).

2. The multi-channel air guide of a rotary motion member according to claim 1, wherein the core shaft (1) is fixed to the stationary base member by a screw, the base (12) is fixed to the rotary actuator by a screw, and the outer casing (2) is fixed to the base (12) by a coupling screw (10).

3. The device according to claim 1, wherein the mandrel (1) and the outer casing (2) are connected by an upper bearing (3) and a lower bearing (8), and the mandrel (1) and the outer casing (2) can perform relative coaxial rotational movement.

4. The device according to claim 1, wherein an air guide ring (6) and an air passage rotary seal ring (5) are installed between the mandrel (1) and the outer casing (2), and the air guide ring (6) and the air passage rotary seal ring (5) are arranged in a stacked manner along the axial direction.

5. The multi-channel air guide device of a rotary motion member according to claim 1, wherein the upper pressing ring (4) and the lower pressing ring (7) are respectively installed at the bottom of the upper bearing (3) and the lower bearing (8), and a gland (14) and an oil-way rotary seal ring (15) are installed between the base (12) and the mandrel (1).