CN220688033U - Sealing device for suction pipe - Google Patents
Sealing device for suction pipe Download PDFInfo
- Publication number
- CN220688033U CN220688033U CN202322364240.7U CN202322364240U CN220688033U CN 220688033 U CN220688033 U CN 220688033U CN 202322364240 U CN202322364240 U CN 202322364240U CN 220688033 U CN220688033 U CN 220688033U
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- CN
- China
- Prior art keywords
- pulp
- sleeve
- rotating shaft
- rotating
- suction pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 210000004907 gland Anatomy 0.000 claims abstract description 33
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 125000006850 spacer group Chemical group 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000013055 pulp slurry Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing device for a pulp suction pipe, which comprises a rotating shaft, a pulp suction sleeve and a rotating sleeve, wherein a pulp outlet is formed in the end part of one end of the rotating shaft, a pulp inlet is formed in the side wall of the other end of the rotating shaft, a mounting flange is fixedly connected to one end of the rotating shaft, provided with the pulp outlet, provided with a through hole, and the through hole and the pulp outlet are correspondingly arranged and communicated; the pulp suction sleeve is sleeved at one end of the rotating shaft and wraps the pulp inlet, and is provided with a pulp inlet which corresponds to the pulp inlet; the rotating sleeve is sleeved at one end of the rotating shaft, which is far away from the slurry suction sleeve, an angular contact ball bearing is arranged between the rotating sleeve and the rotating shaft, an oil seal gland is fixedly connected with the end part of the rotating sleeve, and a first O-shaped sealing ring is arranged between the oil seal gland and the end part of the rotating sleeve. Utilize oil blanket gland and first O type sealing washer to seal the environment of whole rotation axis, avoid the entry of hard granule in the pulp thick liquid, maintain equipment normal operating.
Description
Technical Field
The utility model relates to the field of automatic processing equipment of paper-plastic products, in particular to a sealing device for a pulp suction pipe.
Background
In the process of paper-plastic products, the pulp for molding is needed to be used, the pulp is generally placed in a box body for storage, and then a pipeline and a pump are used for injecting the pulp into equipment for processing, and the pulp is stored in the box body in a large amount for long-time working use, for example, the utility model patent with the application number of CN202011319606.3 discloses a pulp molding machine, and the molding machine comprises a pulp box for storing the pulp. However, the pulp has special components, water, hard particles and the like are contained in the pulp, and the hard particles enter the transmission parts immersed in the pulp slurry to influence the normal operation of transmission.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a sealing device for a suction pipe, which can enable the device to have a waterproof function in water.
According to the sealing device for the pulp suction pipe, which is an embodiment of the first aspect of the utility model, the sealing device comprises a rotating shaft, a pulp suction sleeve and a rotating sleeve, wherein a pulp outlet is formed in the end part of one end of the rotating shaft, a pulp inlet is formed in the side wall of the other end of the rotating shaft, a mounting flange is fixedly connected to one end of the rotating shaft, provided with the pulp outlet, and is provided with a through hole, and the through hole and the pulp outlet are correspondingly arranged and communicated; the pulp suction sleeve is sleeved at one end of the rotating shaft and wraps the pulp inlet, the pulp suction sleeve is provided with a pulp inlet, and the rotating shaft can rotate so that the pulp inlet corresponds to the pulp inlet; the rotating sleeve is sleeved at one end of the rotating shaft, which is far away from the slurry sucking sleeve, an angular contact ball bearing is arranged between the rotating sleeve and the rotating shaft, the rotating sleeve is in running fit with the angular contact ball bearing, an oil seal gland is fixedly connected with the end of the rotating sleeve, and a first O-shaped sealing ring is arranged between the oil seal gland and the end of the rotating sleeve.
The sealing device for the suction pipe has at least the following beneficial effects: utilize oil blanket gland and first O type sealing washer to seal the environment of whole rotation axis, guaranteed the leakproofness of rotation axis in the pivot in-process, avoid the entry of hard granule in the pulp thick liquid, maintain equipment normal operating.
According to some embodiments of the utility model, the surface of the oil seal gland is fixedly connected with a water seal gland.
According to some embodiments of the utility model, a second O-ring seal is disposed between the seal gland and the seal gland.
According to some embodiments of the utility model, a water blocking block is fixedly connected to the surface of the water sealing gland.
According to some embodiments of the utility model, the inner side surface of the rotating sleeve is covered with an outer spacer, the surface of the part of the rotating shaft, which is embedded in the rotating sleeve, is covered with an inner spacer, and the inner spacer and the outer spacer are arranged at intervals.
According to some embodiments of the utility model, the end of the pulp suction sleeve is provided with a groove, a bearing spacer is arranged in the groove, the end of the pulp suction sleeve is covered with a baffle, and the baffle covers the bearing spacer.
According to some embodiments of the utility model, a skeleton oil seal is arranged between the bearing spacer and the groove.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic cross-sectional view of a sealing device for a suction pipe according to an embodiment of the present utility model;
fig. 2 is an enlarged schematic view of the portion a shown in fig. 1;
fig. 3 is an enlarged schematic view of the portion B shown in fig. 1.
100. A rotation shaft; 110. a slurry outlet; 120. a pulp inlet hole; 130. a mounting flange; 131. a through hole; 140. an inner spacer; 200. a slurry suction sleeve; 210. a slurry inlet; 220. bearing spacer bush; 230. a framework oil seal; 240. a baffle; 300. rotating the sleeve; 310. angular contact ball bearings; 320. an oil seal gland; 321. sealing the gland; 322. a second O-ring seal; 323. a water blocking block; 330. a first O-ring seal; 340. an outer spacer;
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 3, the sealing device for a suction pipe according to the embodiment of the present utility model includes a rotation shaft 100, a suction sleeve 200 and a rotation sleeve 300, wherein a slurry outlet 110 is provided at an end portion of one end of the rotation shaft 100, a slurry inlet 120 is provided at a sidewall of the other end, one end of the rotation shaft 100 provided with the slurry outlet 110 is fixedly connected with a mounting flange 130, the mounting flange 130 is provided with a through hole 131, and the through hole 131 is correspondingly provided and communicated with the slurry outlet 110; the pulp suction sleeve 200 is sleeved at one end of the rotating shaft 100 and wraps the pulp inlet 120, the pulp suction sleeve 200 is provided with a pulp inlet 210, and the rotating shaft 100 can rotate so that the pulp inlet 120 corresponds to the pulp inlet 210; the rotating sleeve 300 is sleeved at one end of the rotating shaft 100 far away from the slurry sucking sleeve 200, an angular contact ball bearing 310 is arranged between the rotating sleeve 300 and the rotating shaft 100, the rotating sleeve 300 is in running fit through the angular contact ball bearing 310, an oil seal gland 320 is fixedly connected to the end part of the rotating sleeve 300, and a first O-shaped sealing ring 330 is arranged between the oil seal gland 320 and the end part of the rotating sleeve 300.
In the rotating process of the rotating shaft 100, the slurry can flow into the rotating shaft 100 by utilizing the cooperation of the slurry inlet 120 and the slurry inlet 210, and the slurry is discharged from the slurry outlet 110 at the other end of the rotating shaft 100, wherein the slurry outlet 110 and the through hole 131 are arranged by rotating the rotating shaft 100, so that the slurry can be discharged, in the flowing process of the slurry, the slurry can flow into the rotating sleeve 300 in the rotating shaft 100, and is immersed between the rotating shaft 100 and the rotating sleeve 300 in the slurry, the slurry is effectively prevented from flowing into the space between the rotating shaft 100 and the rotating sleeve 300 by utilizing the oil seal gland 320 to cooperate with the first O-shaped sealing ring 330, the tightness of the rotating cooperation structure is ensured, and the entering of hard particles is avoided, so that the normal operation of transmission is influenced.
In summary, the oil seal gland 320 and the first O-ring 330 are utilized to seal the environment of the entire rotating shaft 100, so that the tightness of the rotating shaft 100 in the pivoting process is ensured, hard particles in pulp slurry are prevented from entering, and normal operation of the equipment is maintained.
In some embodiments, the surface of the oil seal gland 320 is fixedly connected with a water seal gland 321. Specifically, the oil seal gland 320 is used for preventing slurry from flowing in, and simultaneously preventing sediment and solid particles from entering, and a layer of water seal gland 321 is added, so that the sealing performance of the structure is improved, the blocking effect on liquid slurry is improved, and it is mentioned that a second O-shaped sealing ring 322 is arranged between the water seal gland 321 and the oil seal gland 320 in order to further improve the sealing performance of the structure.
Specifically, a water stop 323 is fixedly connected to the surface of the water seal gland 321. The water blocking block 323 is used for blocking the end of the rotating sleeve 300, and is used for thoroughly isolating the interior of the rotating sleeve 300, and is convenient for installing the oil seal gland 320 and the water seal gland 321.
Specifically, the inner side surface of the rotating sleeve 300 is covered with the outer spacer 340, the surface of the portion of the rotating shaft 100 which is embedded in the rotating sleeve 300 is covered with the inner spacer 140, the inner spacer 140 and the outer spacer 340 are arranged at intervals, and the inner spacer 140 and the outer spacer 340 which are arranged at intervals can avoid abrasion generated during mutual rotation between the rotating shaft and the rotating sleeve 300.
Further, a groove is formed at the end of the slurry suction sleeve 200, a bearing spacer 220 is arranged in the groove, a baffle 240 is covered at the end of the slurry suction sleeve 200, and the baffle 240 covers the bearing spacer 220. The outer flow of the slurry in the slurry suction sleeve 200 can be effectively prevented by the cooperation of the bearing spacer 220.
In order to ensure the tightness of the rotating fit structure of the slurry sucking sleeve 200 and the rotating shaft, a skeleton oil seal 230 is arranged between the bearing spacer 220 and the groove.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A sealing device for a suction pipe, comprising:
the rotary shaft (100), the end of one end is provided with a slurry outlet (110), the side wall of the other end is provided with a slurry inlet (120), one end of the rotary shaft (100) provided with the slurry outlet (110) is fixedly connected with a mounting flange (130), the mounting flange (130) is provided with a through hole (131), and the through hole (131) and the slurry outlet (110) are correspondingly arranged and communicated;
the pulp suction sleeve (200) is sleeved at one end of the rotating shaft (100) and wraps the pulp inlet (120), the pulp suction sleeve (200) is provided with a pulp inlet (210), and the rotating shaft (100) can rotate so that the pulp inlet (120) corresponds to the pulp inlet (210);
the rotary sleeve (300) is sleeved at one end of the rotary shaft (100) away from the slurry suction sleeve (200), an angular contact ball bearing (310) is arranged between the rotary sleeve (300) and the rotary shaft (100), the rotary sleeve is in running fit with the angular contact ball bearing (310), an oil seal gland (320) is fixedly connected to the end part of the rotary sleeve (300), and a first O-shaped sealing ring (330) is arranged between the oil seal gland (320) and the end part of the rotary sleeve (300).
2. The sealing device for a pulp suction pipe according to claim 1, characterized in that the surface of the oil seal gland (320) is fixedly connected with a water seal gland (321).
3. A sealing arrangement for a suction pipe according to claim 2, characterized in that a second O-ring seal (322) is arranged between the sealing gland (321) and the sealing gland (320).
4. A sealing device for a suction pipe according to claim 2 or 3, characterized in that the surface of the water seal gland (321) is fixedly connected with a water stop (323).
5. The sealing device for a pulp suction pipe according to claim 1, characterized in that an inner side surface of the rotating sleeve (300) is covered with an outer spacer (340), a surface of a portion of the rotating shaft (100) which is embedded in the rotating sleeve (300) is covered with an inner spacer (140), and the inner spacer (140) and the outer spacer (340) are arranged at intervals.
6. Sealing arrangement for a pulp suction pipe according to claim 1, characterized in that the end of the pulp suction sleeve (200) is provided with a groove, in which a bearing spacer (220) is built, the end of the pulp suction sleeve (200) is covered with a baffle (240), which baffle (240) covers the bearing spacer (220).
7. The sealing device for a suction pipe according to claim 6, wherein a skeleton oil seal (230) is provided between the bearing spacer (220) and the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364240.7U CN220688033U (en) | 2023-08-31 | 2023-08-31 | Sealing device for suction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364240.7U CN220688033U (en) | 2023-08-31 | 2023-08-31 | Sealing device for suction pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688033U true CN220688033U (en) | 2024-03-29 |
Family
ID=90411393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364240.7U Active CN220688033U (en) | 2023-08-31 | 2023-08-31 | Sealing device for suction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688033U (en) |
-
2023
- 2023-08-31 CN CN202322364240.7U patent/CN220688033U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |