CN215784715U - Screen shaft mounting structure of horizontal airflow screening machine - Google Patents
Screen shaft mounting structure of horizontal airflow screening machine Download PDFInfo
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- CN215784715U CN215784715U CN202121958461.1U CN202121958461U CN215784715U CN 215784715 U CN215784715 U CN 215784715U CN 202121958461 U CN202121958461 U CN 202121958461U CN 215784715 U CN215784715 U CN 215784715U
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Abstract
The utility model discloses a screen shaft mounting structure of a horizontal airflow screening machine, which comprises an airflow screen cylinder body arranged on a base of the screening machine, wherein a feed inlet is arranged at one end of the upper surface of the airflow screen cylinder body, a screen shaft is horizontally arranged in the airflow screen cylinder body, a bearing mounting bracket is fixedly connected on the side wall close to the feed inlet of the airflow screen cylinder body, a first bearing with a seat and a second bearing with a seat are sequentially and fixedly connected on the bearing mounting bracket in the direction far away from the airflow screen cylinder body, one end of the screen shaft facing the bearing mounting bracket sequentially penetrates through the first bearing with the seat and the second bearing with the seat, an oil seal seat is fixedly connected at the position penetrated by the screen shaft of the airflow screen cylinder body, two oil seals are arranged at one end far away from the airflow screen cylinder body in the oil seal seat, and lubricating grease is filled between the oil seals, so that dust is prevented from entering bearing balls to damage the bearings, and explosion caused by overhigh temperature is prevented, the air flow screen cylinder has the advantages of good sealing performance, high safety performance and the like.
Description
Technical Field
The utility model relates to the technical field of screen shaft installation of airflow screening machines, in particular to a screen shaft installation structure of a horizontal airflow screening machine.
Background
The airflow screening machine is a high-precision screening device for screening fine powder, and has the characteristics of high screening efficiency, high yield, accurate fineness, no over-diameter mixing phenomenon and the like.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects and provide a sieve shaft mounting structure of a horizontal airflow sieving machine, wherein a bearing connected with a sieve shaft is arranged outside an airflow sieve barrel, the bearing has good sealing performance, dust is prevented from entering bearing balls to damage the bearing, explosion caused by overhigh temperature is prevented, the airflow sieve barrel has good sealing performance and high safety performance, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a sieve shaft mounting structure of a horizontal airflow sieving machine comprises an airflow sieve barrel arranged on a sieving machine base, a feed inlet is arranged at one end of the upper surface of the airflow sieve barrel, a sieve shaft is horizontally arranged in the airflow sieve barrel, blades are arranged on the sieve shaft, the side wall of the airflow screen cylinder body close to the feed inlet is fixedly connected with a bearing mounting bracket, the bearing mounting bracket is fixedly connected with a first bearing with a seat and a second bearing with a seat in sequence in the direction far away from the airflow screen cylinder body, one end of the sieve shaft facing the bearing mounting bracket sequentially penetrates through the first bearing with a seat and the second bearing with a seat, bearings in the first bearing with the seat and the second bearing with the seat are matched with the sieve shaft, the air flow sieve tube body is fixedly connected with an oil seal seat at the position penetrated by the sieve shaft, two oil seals are arranged at one end, far away from the airflow screen cylinder, of the oil seal seat, and lubricating grease is filled between the oil seals.
Furthermore, the bearing mounting support comprises a first fixing ring, the first fixing ring is fixed on the airflow screen cylinder, at least two connecting rods are fixedly connected to the side wall, away from the airflow screen cylinder, of the first fixing ring along the circumferential direction, a third fixing ring and a second fixing ring are sequentially nested on the connecting rods in the direction away from the fixing rings, the third fixing ring is fixedly connected with the first bearing with a seat, and the second fixing ring is fixedly connected with the first bearing with a seat.
Furthermore, the outer wall of the oil seal seat is provided with air blowing pipes at equal intervals along the circumferential direction at one end close to the air flow screen cylinder, the tail ends of the air blowing pipes are inclined downwards and face the air flow screen cylinder, and the tail ends of the air blowing pipes penetrate through the inner wall of the oil seal seat.
Furthermore, a spiral groove is formed in one end, close to the airflow screen cylinder, of the inner wall of the oil seal seat, and an air inlet of the spiral groove is communicated with an air outlet of the air blowing pipe.
Compared with the prior art, the utility model has the beneficial effects that: this horizontal airflow screening machine's sieve axle mounting structure, fix the outside of taking seat bearing one and taking seat bearing two at the airflow screen barrel through bearing installing support and do not contact with the material, prevent to take place to damage because of getting into the dust material in the bearing, cause the dust explosion, seal the sieve axle through two oil blanket on the oil blanket seat, and can further block the dust through the lubricating grease that is filled between the oil blanket, blow to the clearance between oil blanket seat and the sieve axle through the gas blow pipe, form the malleation, prevent that the dust is close, the oil blanket in the oil blanket seat blocks the air current simultaneously, make the air current flow in the airflow screen barrel, improve the leakproofness of airflow screen barrel, and the security performance is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bearing mounting bracket according to the present invention;
FIG. 3 is a schematic view of the internal structure of the bearing mounting bracket of the present invention;
fig. 4 is a partially enlarged view of the oil seal seat of the present invention.
In the figure: the device comprises a screening machine base 1, an airflow screen cylinder body 2, a feeding hole 3, a shaft 4, a bearing mounting bracket 5, a first 51 fixing ring, a support rod 52, a second 53 fixing ring, a third 54 fixing ring, a first 6 bearing with a seat, a second 7 bearing with a seat, an 8 oil seal seat, an 9 oil seal and a 10 air blow pipe.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: a screen shaft mounting structure of a horizontal airflow screening machine comprises an airflow screen cylinder body 2 arranged on a screening machine base 1, a feed inlet 3 is arranged at one end of the upper surface of the airflow screen cylinder body 2, a screen shaft 4 is horizontally arranged in the airflow screen cylinder body 2, blades are arranged on the screen shaft 4, a bearing mounting bracket 5 is fixedly connected to the side wall close to the feed inlet 3 of the airflow screen cylinder body 2, a first belt seat bearing 6 and a second belt seat bearing 7 are fixedly connected to the bearing mounting bracket 5 in sequence in the direction far away from the airflow screen cylinder body 2, one end of the screen shaft 4 facing the bearing mounting bracket 5 penetrates through the first belt seat bearing 6 and the second belt seat bearing 7 in sequence, bearings in the first belt seat bearing 6 and the second belt seat bearing 7 are matched with the screen shaft 4, an oil seal base 8 is fixedly connected to the position where the screen shaft 4 penetrates through the airflow screen cylinder body 2, two oil seals 9 are arranged at one end far away from the airflow screen cylinder body 2 in the oil seal base 8, and it has lubricating grease to fill between the oil blanket 9, be equipped with driving motor on the sieve separator base 1, it rotates to drive sieve axle 4 through driving motor, the dust material gets into in the air current sieve barrel 2 through feed inlet 3 and sieves, fix one 6 of rolling bearing and two 7 of rolling bearing with the bearing at the outside of air current sieve barrel 2 through bearing installing support 5 and do not contact with the material, prevent in the bearing because of getting into the dust material and take place to damage, cause dust explosion, seal sieve axle 4 through two oil blanket 9 on the oil blanket seat 8, and can further block the dust through the lubricating grease that fills between the oil blanket 9.
Further, the bearing mounting bracket 5 comprises a first fixing ring 51, the first fixing ring 51 is fixed on the airflow screen cylinder 2, at least two connecting rods 52 are fixedly connected to the side wall, away from the airflow screen cylinder 2, of the first fixing ring 51 along the circumferential direction, a third fixing ring 54 and a second fixing ring 53 are sequentially nested on the connecting rods 52 in the direction away from the first fixing ring 51, the third fixing ring 54 is fixedly connected with the first bearing with a seat 6, and the second fixing ring 53 is fixedly connected with the first bearing with a seat 6.
Further, be located the one end that is close to air current screen drum body 2 on the 8 outer walls of oil blanket seat and be equipped with gas blow pipe 10 along the circumferencial direction equidistance, and the orientation air current screen drum body 2 of the equal downward sloping of gas blow pipe 10 end, and the 10 end of gas blow pipe all runs through 8 inner walls of oil blanket seat, gas blow pipe 10 is connected with the air compressor that the outside was equipped with, blow through gas blow pipe 10 the clearance between oil blanket seat 8 and the sieve axle 4, form the malleation, prevent that the dust is close, oil blanket 9 in the oil blanket seat 8 blocks the air current simultaneously, make the air current flow in the air current screen drum body 2, improve the leakproofness of air current screen drum body 2.
Furthermore, a spiral groove is formed in one end, close to the airflow screen cylinder 2, of the inner wall of the oil seal seat 8, an air inlet of the spiral groove is communicated with an air outlet of the air blowing pipe 10, and airflow blown out of the air blowing pipe 10 through the spiral groove flows towards the airflow screen cylinder 2 in a spiral manner.
When in use: bearing installing support 5 fixes the outside of taking block bearing 6 and taking block bearing two 7 at air current screen cylinder body 2 not with the material contact, prevent to take place to damage because of getting into the dust material in the bearing, cause dust explosion, two oil blanket 9 on the oil blanket seat 8 are sealed up screen shaft 4, and can further block the dust through the lubricating grease that is filled between the oil blanket 9, gas blow pipe 10 blows to the clearance between oil blanket seat 8 and the screen shaft 4, form the malleation, prevent that the dust is close, oil blanket 9 in the oil blanket seat 8 blocks the air current simultaneously, make the air current flow in towards air current screen cylinder body 2, improve the leakproofness of air current screen cylinder body 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a horizontal airflow screening machine's sieve axle mounting structure, is equipped with the feed inlet including setting up the airflow sieve tube body on the screening machine base, the one end of airflow sieve tube body upper surface, and the horizontally is equipped with the sieve axle in the airflow sieve tube body, sieves epaxial blade that is equipped with, its characterized in that: the air flow screen comprises an air flow screen cylinder body and is characterized in that a bearing mounting support is fixedly connected to the side wall close to a feeding hole, a first bearing with a seat and a second bearing with a seat are sequentially and fixedly connected to the bearing mounting support in the direction away from the air flow screen cylinder body, a first bearing with a seat and a second bearing with a seat are sequentially penetrated through one end of a screen shaft facing the bearing mounting support, the bearings inside the first bearing with a seat and the second bearing with a seat are matched with the screen shaft, an oil seal seat is fixedly connected to the position where the screen shaft penetrates through the air flow screen cylinder body, two oil seals are arranged at one end, away from the air flow screen cylinder body, of the oil seal seat, and lubricating grease is filled between the oil seals.
2. The sieve shaft mounting structure of the horizontal airflow sieving machine according to claim 1, characterized in that: the bearing mounting support comprises a first fixing ring, the first fixing ring is fixed on the airflow screen cylinder body, the first fixing ring is fixedly connected to the side wall, away from the airflow screen cylinder body, of the first fixing ring, at least two connecting rods are fixedly connected to the side wall along the circumferential direction, a third fixing ring and a second fixing ring are sequentially nested on the connecting rods in the direction away from the fixing rings, the third fixing ring is fixedly connected with the first belt seat bearing, and the second fixing ring is fixedly connected with the first belt seat bearing.
3. The sieve shaft mounting structure of the horizontal airflow sieving machine according to claim 1, characterized in that: and air blowing pipes are arranged on the outer wall of the oil seal seat at equal intervals along the circumferential direction at one end close to the air flow screen cylinder body, the tail ends of the air blowing pipes are inclined downwards and face the air flow screen cylinder body, and the tail ends of the air blowing pipes penetrate through the inner wall of the oil seal seat.
4. The sieve shaft mounting structure of the horizontal airflow sieve separator according to claim 3, wherein: and a spiral groove is formed in one end, close to the airflow screen cylinder, of the inner wall of the oil seal seat, and an air inlet of the spiral groove is communicated with an air outlet of the air blowing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958461.1U CN215784715U (en) | 2021-08-20 | 2021-08-20 | Screen shaft mounting structure of horizontal airflow screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958461.1U CN215784715U (en) | 2021-08-20 | 2021-08-20 | Screen shaft mounting structure of horizontal airflow screening machine |
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| Publication Number | Publication Date |
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| CN215784715U true CN215784715U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121958461.1U Active CN215784715U (en) | 2021-08-20 | 2021-08-20 | Screen shaft mounting structure of horizontal airflow screening machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318637A (en) * | 2022-09-14 | 2022-11-11 | 宁波艾克姆新材料股份有限公司 | Horizontal air flow sieve |
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2021
- 2021-08-20 CN CN202121958461.1U patent/CN215784715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318637A (en) * | 2022-09-14 | 2022-11-11 | 宁波艾克姆新材料股份有限公司 | Horizontal air flow sieve |
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