Improved rotating shaft

Abstract

The utility model provides an improved rotating shaft. The device comprises a driving device, a rotating shaft assembly and a locking ring, one end of the rotating shaft assembly is installed on the driving device, the locking ring is arranged at the other end of the rotating shaft assembly and locks the rotating shaft assembly, and the rotating shaft assembly is sequentially sleeved with a rotating shaft installation base, a rotating shaft and a flow guide shaft from outside to inside. A sealing cavity is formed between the rotating shaft mounting seat and the rotating shaft through a first sealing assembly and a second sealing assembly, an air inlet communicated with the sealing cavity is formed in the rotating shaft mounting seat, a plurality of air source channels are formed in the rotating shaft, the air source channels are connected with the sealing cavity through air source ports, and the air source ports are communicated with the sealing cavity. A hollow flow guide cavity is formed in the flow guide shaft. The utility model relates to the technical field of wet-process manufacturing process devices.

Description

TECHNICAL FIELD

[0001] The utility model relates to wet process technology field, especially to an improved rotary shaft. BACKGROUND

[0002] In the wet process technology, there are many scenes involving rotation and fluid transmission. The traditional transmission system is limited in transmission efficiency due to the complexity or material limitation of the pipeline when transmitting gas and liquid. It cannot meet the needs of the wet process technology which requires simultaneous transmission of gas and liquid. Therefore, a rotary shaft capable of transmitting gas and liquid is needed to improve the transmission efficiency of gas and liquid, making it faster and more stable, and not interfering with the transmission of gas and liquid in the pipeline. SUMMARY

[0003] To solve the above problems in the prior art, the utility model provides an improved rotary shaft. The rotary shaft can transmit gas and liquid simultaneously while ensuring its airtightness. The rotary shaft can transmit faster and more stably, and does not interfere with the transmission of gas and liquid in the pipeline while rotating.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: an improved rotary shaft, comprising a driving device, a rotary shaft assembly and a locking ring, one end of the rotary shaft assembly is installed on the driving device, the locking ring is arranged at the other end of the rotary shaft assembly and locks the rotary shaft assembly, the rotary shaft assembly is sequentially sleeved with a shaft mounting seat, a shaft and a flow guide shaft from outside to inside, a sealed cavity is formed between the shaft mounting seat and the shaft through a first sealing assembly and a second sealing assembly, the shaft mounting seat is provided with an air inlet hole connected with the sealed cavity, the shaft is provided with a plurality of gas source channels inside, the gas source channels are connected with the sealed cavity through a gas source port, and the flow guide shaft is a hollow flow guide cavity inside.

[0005] Based on the above, the flow guide shaft is provided with a flow guide cavity inside, and the flow guide cavity can pass through the liquid pipeline and the electrical transmission line. During rotation of the shaft, the flow guide shaft remains stationary. The shaft is provided with a gas source channel inside, which can transmit gas through the gas source channel. The first sealing assembly and the second sealing assembly make the sealed cavity have good airtightness, which can ensure the stability of the pressure in the gas source channel. As known from the above, the rotary shaft assembly of the utility model can transmit gas and liquid while rotating, and can also ensure the airtightness of the sealed cavity.

[0006] Further, the driving device comprises a driving motor and a gearbox, and one end of the flow guide shaft penetrates through the gearbox and is fixedly installed through a limiting plate.

[0007] Based on the above, the limiting plate fixes and limits the flow guide shaft, preventing the flow guide shaft from rotating.

[0008] Further, the third sealing assembly and the fourth sealing assembly are arranged at the matching position of the rotating shaft and the flow guide shaft.

[0009] Based on the above, the third sealing assembly and the fourth sealing assembly can prevent liquid or sundries from entering the matching position of the rotating shaft and the flow guide shaft, avoiding damage to the rotating shaft assembly.

[0010] Further, the first sealing assembly, the second sealing assembly, the third sealing assembly and the fourth sealing assembly are all composed of a skeleton oil seal and a sealing ring, and a rolling bearing is arranged between the skeleton oil seal and the sealing ring.

[0011] Based on the above, the skeleton oil seal and the sealing ring form multiple sealing layers, thereby enhancing the overall sealing property of the utility model.

[0012] Further, the locking ring is fixedly matched with the rotating shaft mounting seat, and an O-shaped sealing ring is further arranged at the matching position of the locking ring and the rotating shaft mounting seat.

[0013] Based on the above, the O-shaped sealing ring can enhance the sealing property between the locking ring and the rotating shaft mounting seat.

[0014] Further, the output end of the gas source channel is provided with a gas source connector.

[0015] Based on the above, the gas source connector is used for connecting an external rotating support.

[0016] In order to make the above features of the utility model and the purposes to be achieved more clearly, the utility model will be further described below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an explosion structure schematic view of the utility model;

[0018] Figure 2 is a front view of the utility model;

[0019] Figure 3 is a right view of the utility model;

[0020] Figure 4 is a sectional view of the front view of the utility model;

[0021] Figure 5 is an enlarged structure schematic view of part A of the utility model; Figure 4 ​

[0022] Figure 6 :for Figure 4 An enlarged structural diagram of part B;

[0023] Figure 7 This is a schematic diagram of the structure of this utility model excluding the rotating shaft mounting base;

[0024] Figure 8 :for Figure 7 A sectional view.

[0025] Explanation of reference numerals: 1 Drive unit; 2 Rotary shaft assembly; 3 Locking ring; 4 Rotary shaft mounting base; 5 Rotary shaft; 6 Guide shaft; 7 First sealing assembly; 8 Second sealing assembly; 9 Sealing cavity; 10 Air inlet; 11 Air source channel; 12 Air source port; 13 Guide cavity; 14 Drive motor; 15 Gearbox; 16 Limiting plate; 17 Third sealing assembly; 18 Fourth sealing assembly; 19 Skeleton oil seal; 20 Sealing ring; 21 Rolling bearing; 22 O-ring seal; 23 Air source connector. Detailed Implementation

[0026] like Figures 1 to 8 As shown, an improved rotary shaft includes a drive device 1, a rotary shaft assembly 2, and a locking ring 3. One end of the rotary shaft assembly 2 is mounted on the drive device 1, and the locking ring 3 is disposed at the other end of the rotary shaft assembly 2 to lock the rotary shaft assembly 2. The rotary shaft assembly 2 is sequentially fitted with a rotary shaft mounting base 4, a rotary shaft 5, and a guide shaft 6 from the outside to the inside. The guide shaft 6 is made of a high-strength, corrosion-resistant, and wear-resistant metal material. A sealing cavity 9 is formed between the rotary shaft mounting base 4 and the rotary shaft 5 through a first sealing component 7 and a second sealing component 8. An air inlet 10 communicating with the sealing cavity 9 is provided on the rotary shaft mounting base 4. A plurality of air source channels 11 are provided inside the rotary shaft 5. The air source channels 11 are connected to the sealing cavity 9 through air source ports 12. The guide shaft 6 has a hollow guide cavity 13 inside.

[0027] The flow guiding cavity 13 can be traversed by infusion pipes and electrical transmission lines. During the rotation of the rotating shaft 5, the flow guiding shaft 6 remains stationary. An air source channel 11 is provided inside the rotating shaft 5, enabling gas transmission. The first sealing assembly 7 and the second sealing assembly 8 ensure good airtightness of the sealing cavity 9, guaranteeing the stability of the pressure within the air source channel 11. Therefore, the rotating shaft assembly 2 of this invention can pass through both gas and liquid while rotating, and also maintains the airtightness of the sealing cavity 9.

[0028] Preferably, the driving device 1 comprises a driving motor 14 and a gearbox 15, one end of the guide shaft 6 penetrates through the gearbox 15 and is fixedly installed through a limiting plate 16. The limiting plate 16 fixes and limits the guide shaft 6, preventing the guide shaft 6 from rotating.

[0029] Preferably, the third sealing assembly 17 and the fourth sealing assembly 18 are arranged at the matching position of the rotating shaft 5 and the guide shaft 6. The third sealing assembly 17 and the fourth sealing assembly 18 can prevent liquid or sundries from entering the matching position of the rotating shaft 5 and the guide shaft 6, avoiding damage to the rotating shaft assembly 2.

[0030] Preferably, the first sealing assembly 7, the second sealing assembly 8, the third sealing assembly 17 and the fourth sealing assembly 18 are all composed of a skeleton oil seal 19 and a sealing ring 20, and a rolling bearing 21 is arranged between the skeleton oil seal 19 and the sealing ring 20. The skeleton oil seal 19 and the sealing ring 20 form multiple sealing layers in cooperation, thereby enhancing the overall sealing performance of the utility model.

[0031] Preferably, the locking ring 3 is fixedly matched with the rotating shaft mounting seat 4, and an O-shaped sealing ring 22 is arranged at the matching position of the locking ring 3 and the rotating shaft mounting seat 4. The O-shaped sealing ring 22 can enhance the sealing performance between the locking ring 3 and the rotating shaft mounting seat 4.

[0032] Preferably, the output end of the gas source channel 11 is provided with a gas source connector 23. The gas source connector 23 is used for connecting a rotating support.

[0033] The specific implementation of the embodiment is that the driving motor 14 drives the rotating shaft 5 to rotate, the guide shaft 6 and the rotating shaft mounting seat 4 are fixed, the rotating shaft mounting seat 4 is provided with an air inlet hole 10, air flows into the sealing cavity 9 from the air inlet hole 10, then enters the gas source channel 11 from the gas source port 12, and finally is output from the gas source connector 23, so that the rotation of the rotating shaft 5 is not hindered while the gas is conveyed. The guide cavity 13 can be connected with a liquid conveying pipeline and an electrical conveying line, and liquid spray can be conveyed by the liquid conveying pipeline to spray the product in the spraying area.

[0034] The above description is only the optimal solution embodiment of the utility model and is not used for limiting the utility model. Various modifications or replacements of the utility model made by those skilled in the art without departing from the essence and protection scope of the utility model should be within the protection scope of the utility model.

Claims

1. An improved rotary shaft, comprising a drive device (1), a rotary shaft assembly (2), and a locking ring (3), wherein one end of the rotary shaft assembly (2) is mounted on the drive device (1), and the locking ring (3) is disposed at the other end of the rotary shaft assembly (2) and locks the rotary shaft assembly (2), characterized in that: The rotating shaft assembly (2) is sequentially sleeved from outside to inside with a rotating shaft mounting base (4), a rotating shaft (5) and a flow guide shaft (6), a sealing cavity (9) is formed between the rotating shaft mounting base (4) and the rotating shaft (5) through a first sealing assembly (7) and a second sealing assembly (8), the rotating shaft mounting base (4) is provided with an air inlet hole (10) communicated with the sealing cavity (9), the rotating shaft (5) is internally provided with a plurality of air source channels (11), the air source channels (11) are connected with the sealing cavity (9) through air source ports (12), and the flow guide shaft (6) is internally a hollow flow guide cavity (13).

2. The improved rotary shaft as claimed in claim 1, wherein: The driving device (1) comprises a driving motor (14) and a gearbox (15), one end of the flow guide shaft (6) penetrates through the gearbox (15) and is fixedly installed through a limiting plate (16).

3. The improved rotary shaft as claimed in claim 1, wherein: The rotating shaft (5) and the flow guide shaft (6) are provided with a third sealing assembly (17) and a fourth sealing assembly (18) at the matching position.

4. The improved rotary shaft as claimed in claim 3, wherein: The first sealing assembly (7), the third sealing assembly (17) and the fourth sealing assembly (18) are all composed of a skeleton oil seal (19) and a sealing ring (20), and a rolling bearing (21) is arranged between the skeleton oil seal (19) and the sealing ring (20).

5. The improved rotary shaft as claimed in claim 1, wherein: The locking ring (3) is fixedly matched with the rotating shaft mounting base (4), and an O-shaped sealing ring (22) is further arranged at the matching position of the locking ring (3) and the rotating shaft mounting base (4).

6. The improved rotary shaft as claimed in claim 1, wherein: An air source connector (23) is arranged at the output end of the air source channel (11).

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