CN215673610U - Labyrinth sealing device for vibrator of vibrating feeder - Google Patents
Labyrinth sealing device for vibrator of vibrating feeder Download PDFInfo
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- CN215673610U CN215673610U CN202122052981.2U CN202122052981U CN215673610U CN 215673610 U CN215673610 U CN 215673610U CN 202122052981 U CN202122052981 U CN 202122052981U CN 215673610 U CN215673610 U CN 215673610U
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Abstract
The application relates to a labyrinth sealing device for a vibrator of a vibrating feeder, and relates to the technical field of screening machinery. The vibrator box comprises a vibrator box body, wherein a through hole cover is arranged on the end face of the vibrator box body, a transmission eccentric shaft is arranged on one side of the vibrator box body, an inner labyrinth ring, an outer labyrinth ring and a fixed labyrinth ring are arranged on the through hole cover, the fixed labyrinth ring is connected with the side wall of the transmission eccentric shaft, the inner labyrinth ring is arranged on the fixed labyrinth ring, and the outer labyrinth ring is arranged on the inner labyrinth ring. The sealing device has the advantages of convenience in assembly, reliability in sealing and difficulty in generating abrasion of the sealing element.
Description
Technical Field
The application relates to the field of screening machinery, in particular to a labyrinth sealing device for a vibrator of a vibrating feeder.
Background
The labyrinth sealing device for the vibrator of the vibrating feeder is used in the vibrator of a bar-type vibrating feeder in screening machinery and is used for sealing a proper amount of lubricating oil in a vibrator box body 1.
At present, a labyrinth sealing device for a vibrator of a vibrating feeder comprises a through hole cover 11, wherein the through hole cover 11 is assembled on the end surface of a vibrator box body 1, a sealing seat 8 is arranged on the through hole cover 11, a wear-resistant bush 81 is arranged at the journal part of the output end of a transmission eccentric shaft 16, a pair of rotating shaft lip-shaped sealing rings 82 are arranged between the sealing seat 8 and the wear-resistant bush 81, and a protective cover 83 is arranged on the side surface of the sealing seat 8; by adopting the structure, the sealing device of the vibrator can prevent the lubricating oil in the box body from leaking out along the transmission eccentric shaft 16 when the vibrator works, and the sealing effect is realized.
The related art described above has the following drawbacks: the rotary oil seal has high long-term maintenance cost and short service life, and is easy to wear the shaft neck of the wear-resistant bush 81. Therefore, the rotating oil seal and the bushing need to be replaced periodically during use, and the wear-resistant bushing 81 hole is in interference fit with the transmission eccentric shaft 16, so that maintenance is difficult when the wear-resistant bushing 81 needs to be replaced after being worn.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the labyrinth seal device of the vibrator feeder in the related art is inconvenient to maintain, the application provides a labyrinth seal device of the vibrator feeder.
The application provides a vibrating feeder vibrator labyrinth seal device adopts following technical scheme:
the utility model provides a vibrating feeder vibrator labyrinth sealing device, includes the vibrator box, be provided with the through-hole cover on the terminal surface of vibrator box, vibrator box one side is provided with the transmission eccentric shaft, be provided with interior labyrinth ring, outer labyrinth ring and fixed labyrinth ring on the through-hole cover, fixed labyrinth ring is connected with the lateral wall of transmission eccentric shaft, interior labyrinth ring sets up on fixed labyrinth ring, outer labyrinth ring sets up on interior labyrinth ring.
Through adopting above-mentioned technical scheme, when the vibrating feeder in this application at the during operation, the organism produces the in-process of vibrations, through adopting the structure of interior labyrinth ring, outer labyrinth ring and fixed labyrinth ring, has reduced between labyrinth ring and the transmission eccentric shaft axial vertical direction's relative motion, can realize that the sealing device part can not produce the wearing and tearing phenomenon. Compare the bobbing machine dispenser in the correlation technique and used rotation axis lip seal, the vibrating feeder vibrator labyrinth sealing device convenient to assemble in this application, it is sealed reliable, and the difficult wearing and tearing of sealing member.
Optionally, a conical surface structure for backflow of lubricating oil is arranged on the fixed labyrinth ring.
Through adopting above-mentioned technical scheme, at the in-process of vibrating feeder work in this application, lubricating oil is easily by vibrations to the labyrinth ring in, and the junction of fixed labyrinth ring and through-hole cover has adopted the conical surface structure to lubricating oil has been reduced and has been detained in the labyrinth ring's possibility.
Optionally, a fastening piece for abutting against the fixed labyrinth ring is arranged on the fixed labyrinth ring.
By adopting the technical scheme, the fixed labyrinth ring is tightly propped through the fastening piece, on one hand, an operator can increase the firmness degree of the fixed labyrinth ring by screwing the fastening piece; on the other hand, thereby also can dismantle fixed labyrinth ring through dismantling the fastener for fixed labyrinth ring easy access.
Optionally, an open slot is formed in the inner labyrinth ring, the outer labyrinth ring is mounted on the inner labyrinth ring through a set screw, and the outer labyrinth ring is attached to the side wall of the transmission eccentric shaft.
Through adopting above-mentioned technical scheme, holding screw aims at the open slot of interior labyrinth ring and the top is tight, can make like this that interior labyrinth ring is fixed on the through-hole covers, can make outer labyrinth ring and fixed labyrinth ring keep suitable axial clearance again to make the difficult wearing and tearing that produce of spare part of system at the during operation.
Optionally, the through hole cover is provided with a long hole for returning the lubricating oil.
By adopting the technical scheme, the lubricating oil flowing into the labyrinth ring during the operation of the vibrator can flow into the through hole cover long hole through the conical surface of the fixed labyrinth ring, so that the lubricating oil returns to enter the vibrator box body, and the sealing effect is achieved.
Optionally, an annular groove is formed in the inner labyrinth ring, and a gasket ring is inserted into the annular groove.
Through adopting above-mentioned technical scheme, the gasket circle has increased the compactness of being connected between interior labyrinth ring and the transmission eccentric shaft, has reduced the risk of lubricating oil seepage.
Optionally, the through hole cover is provided with an access hole, and an access board is inserted into the access hole.
Through adopting above-mentioned technical scheme, operating personnel can overhaul through the manhole to the through-hole cover is inside, compares in directly dismantling the through-hole cover and overhauls the maintenance, and the maintenance board has promoted the convenience of operation with the structure of manhole.
Optionally, a sealing rubber is arranged on the side wall of the access panel, and the sealing rubber is in interference fit with the access hole.
Through adopting above-mentioned technical scheme, the seal rubber and manhole interference fit's structure has promoted the leakproofness and the operating condition of access panel and access hole structure under, the stability of access panel and access hole structure.
In summary, the present application includes at least one of the following benefits:
1. the structure of interior labyrinth ring, outer labyrinth ring and fixed labyrinth ring has been adopted, and when the vibrating feeder in this application at the during operation, the organism produces the in-process of vibrations, through the structure that adopts interior labyrinth ring, outer labyrinth ring and fixed labyrinth ring, does not have relative motion between labyrinth ring and the transmission eccentric shaft, can realize that the sealing device part can not produce the wearing and tearing phenomenon. Compared with the vibrating feeder in the related art which uses the lip-shaped sealing ring of the rotating shaft, the labyrinth sealing device of the vibrator of the vibrating feeder is convenient to assemble and reliable in sealing, and the sealing element is not easy to wear;
2. the structure of the set screw is adopted, and the set screw is aligned to the open slot of the inner labyrinth ring and is tightly pressed against the open slot, so that the inner labyrinth ring can be fixed on the transmission eccentric shaft, and the outer labyrinth ring and the labyrinth ring for fixing the labyrinth ring can keep a proper axial gap, so that parts of the system are not easy to wear when in work;
3. the structure of access panel and access hole has been adopted, and operating personnel can overhaul through access hole to the through-hole cover is inside, compares in directly dismantling the through-hole cover and overhauls the maintenance, and the access panel has promoted the convenience of operation with the structure of access hole.
Drawings
FIG. 1 is a schematic structural diagram of a labyrinth seal device of a vibrator of a related art vibrating feeder;
FIG. 2 is a schematic structural diagram for showing the connection relationship between the transmission eccentric shaft and the through hole cover in the embodiment of the present application;
FIG. 3 is a schematic structural diagram for showing a connection relationship between a through hole cover and a vibrator box body in an embodiment of the present application;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. a vibrator box body; 11. a through hole cover; 12. rotating the eccentric shaft; 13. an inner labyrinth ring; 14. an outer labyrinth ring; 15. fixing the labyrinth ring; 16. driving an eccentric shaft; 17. a conical surface structure; 2. a fastener; 21. a first fastening groove; 22. a second fastening groove; 3. an open slot; 31. tightening the screw; 4. a long hole; 5. a ring groove; 51. a gasket ring; 6. an access hole; 61. an access panel; 7. sealing rubber; 8. a sealing seat; 81. a wear-resistant bushing; 82. a rotary shaft lip-shaped sealing ring; 83. a protective cover; 84. a bushing.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses vibrating feeder vibrator labyrinth seal device. Referring to fig. 2 and 3, the labyrinth sealing device for the vibrator of the vibrating feeder comprises a transmission eccentric shaft 16, wherein the side wall of the transmission eccentric shaft 16 is fixedly provided with a vibrator box body 1 through bolts, and the end surface of the vibrator box body 1 is provided with a through hole cover 11; run through on the through-hole cover 11 and offer the access hole 6 that is used for examining and repairing through-hole cover 11 inside, be connected with access panel 61 through hinge rotation on the 6 inside walls of access hole, adhesive fixation has sealing rubber 7 on the lateral wall that access panel 61 is close to access hole 6, sealing rubber 7 and access hole 6's inner wall interference fit, thereby the seal of access panel 61 with the 6 structures of access hole has been promoted, and the stability of access panel 61 with the 6 structures of access hole under the operating condition.
Referring to fig. 3 and 4, one side of the through hole cover 11 away from the vibrator box body 1 is provided with a fixed labyrinth ring 15, a first fastening groove 21 is formed in the fixed labyrinth ring 15, a second fastening groove 22 is formed in the through hole cover 11, a fastening piece 2 is inserted through the first fastening groove 21 and the second fastening groove 22 on the through hole cover 11, and the fastening piece 2 is in threaded connection with the first fastening groove 21 and the second fastening groove 22, so that an operator can detach the fixed labyrinth ring 15 by detaching the fastening piece 2, and the fixed labyrinth ring 15 is convenient to overhaul.
Referring to fig. 3, a long hole 4 is opened at a position below the opening of the through hole cover 11, and the long hole 4 is communicated with the opening of the through hole cover 11, so that the lubricating oil can flow into the long hole 4 of the through hole cover 11 through the conical surface structure 17 of the fixed labyrinth ring 15 when the vibrator is operated, and then return to the vibrator case 1.
Referring to fig. 4, the inner labyrinth ring 1 is installed on the side wall of the transmission eccentric shaft 16 through a bolt, the annular groove 5 is formed in the side wall, close to the transmission eccentric shaft 16, of the inner labyrinth ring 13, the gasket ring 51 is fixed to the inner labyrinth ring 13 through the annular groove 5 in an adhesive mode, the inner side wall of the gasket ring 51 is attached to the transmission eccentric shaft 16, the gasket ring 51 increases the tightness between the inner labyrinth ring 13 and the transmission eccentric shaft 16, and the risk of lubricating oil leakage is reduced.
Referring to fig. 4, one end of the inner labyrinth ring 13 close to the through hole cover 11 is provided with a conical surface structure 17, and the conical surface structure 17 is communicated with the opening of the through hole cover 11, so that the conical surface structure 17 reduces the possibility that the lubricating oil stays in the labyrinth ring when the lubricating oil is easily shaken into the labyrinth ring during the working process.
Referring to fig. 4, an open slot 3 is opened at one end of the inner labyrinth ring 13, which is far away from the vibrator box 1, an outer labyrinth ring 14 is arranged on the inner labyrinth ring 13 through the open slot 3, the inner labyrinth ring 13 is connected with the outer labyrinth ring 14 through a set screw 31, and the set screw 31 aligns with the open slot 3 of the inner labyrinth ring 13 and is tightly pressed against the open slot 3, so that the inner labyrinth ring 13 can be fixed on the through hole cover 11, and the outer labyrinth ring 14 and the labyrinth ring of the fixed labyrinth ring 15 can keep a proper axial gap, thereby ensuring that the parts of the system are not easily abraded during operation.
The implementation principle of the labyrinth sealing device for the vibrator of the vibrating feeder in the embodiment of the application is as follows: vibrating feeder in this application is at the during operation, and the organism produces the in-process of vibrations, through adopting the structure of interior labyrinth ring 13, outer labyrinth ring 14 and fixed labyrinth ring 15 to reduced interior labyrinth ring 13, outer labyrinth ring 14 and fixed labyrinth ring 15 and transmission eccentric shaft 16 between not having with the relative motion of 16 axial vertical directions of transmission eccentric shaft, can realize that the sealing device part can not produce the wearing and tearing phenomenon. Compare the bobbing machine feeder in the correlation technique and used rotation axis lip seal 82, the vibrating feeder vibrator labyrinth sealing device convenient assembling in this application, it is sealed reliable, and the difficult wearing and tearing of sealing member.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a vibrating feeder vibrator labyrinth sealing device, includes vibrator box (1), be provided with through-hole cover (11) on the terminal surface of vibrator box (1), vibrator box (1) one side is provided with transmission eccentric shaft (16), its characterized in that: be provided with interior labyrinth ring (13), outer labyrinth ring (14) and fixed labyrinth ring (15) on through-hole cover (11), fixed labyrinth ring (15) are connected with the lateral wall of transmission eccentric shaft (16), outer labyrinth ring (14) set up on fixed labyrinth ring (15), outer labyrinth ring (14) set up on interior labyrinth ring (13).
2. A shaker labyrinth seal as defined in claim 1 in which: the fixed labyrinth ring (15) is provided with a conical surface structure (17) for backflow of lubricating oil.
3. A shaker labyrinth seal as defined in claim 1 in which: the fixed labyrinth ring (15) is provided with a fastener (2) for tightly abutting against the fixed labyrinth ring (15).
4. A shaker labyrinth seal as defined in claim 1 in which: open slot (3) have been seted up on interior labyrinth ring (13), outer labyrinth ring (14) are installed on interior labyrinth ring (13) through holding screw (31), outer labyrinth ring (14) and the lateral wall laminating setting of transmission eccentric shaft (16).
5. A shaker labyrinth seal as defined in claim 1 in which: the through hole cover (11) is provided with a long hole (4) for returning lubricating oil.
6. A shaker labyrinth seal as defined in claim 1 in which: an annular groove (5) is formed in the inner labyrinth ring (13), and a gasket ring (51) is inserted into the annular groove (5).
7. A shaker labyrinth seal as defined in claim 1 in which: the through hole cover (11) is provided with an access hole (6), and an access plate (61) is inserted into the access hole (6).
8. A shaker labyrinth seal as defined in claim 7 in which: be provided with sealing rubber (7) on the lateral wall of access panel (61), sealing rubber (7) and access hole (6) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052981.2U CN215673610U (en) | 2021-08-28 | 2021-08-28 | Labyrinth sealing device for vibrator of vibrating feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052981.2U CN215673610U (en) | 2021-08-28 | 2021-08-28 | Labyrinth sealing device for vibrator of vibrating feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673610U true CN215673610U (en) | 2022-01-28 |
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ID=79957189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122052981.2U Active CN215673610U (en) | 2021-08-28 | 2021-08-28 | Labyrinth sealing device for vibrator of vibrating feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673610U (en) |
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2021
- 2021-08-28 CN CN202122052981.2U patent/CN215673610U/en active Active
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