CN214743309U - Composite sealing mechanism for grinding arm of grinding machine - Google Patents
Composite sealing mechanism for grinding arm of grinding machine Download PDFInfo
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- CN214743309U CN214743309U CN202120280673.2U CN202120280673U CN214743309U CN 214743309 U CN214743309 U CN 214743309U CN 202120280673 U CN202120280673 U CN 202120280673U CN 214743309 U CN214743309 U CN 214743309U
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Abstract
The utility model discloses a combined type sealing mechanism for mill grinding arm, this mechanism include shell, flexible seal structure, labyrinth seal structure, the outer shell cover is established on the outer circumference of mill grinding arm and the front side terminal surface sets up flexible seal structure, flexible seal structure's front side sets up labyrinth seal structure. The composite sealing mechanism of the utility model can block the large particles ejected from the equipment, and eliminate the impact force of the raw materials by utilizing the principle of rebound and effusion; slight deformation of the main body structure can be generated under the condition of applying pressure to fill up the fine gap, so that fine or slight air leakage is avoided, and the air leakage phenomenon is avoided; the composite sealing mechanism is composed of multiple layers of seals, so that the loss of single-stage sealing is reduced, the maintenance frequency of equipment is reduced, the operation intensity of workers is reduced, and the original maintenance frequency is reduced from once per month to several times to once to twice per year at present.
Description
Technical Field
The utility model belongs to the technical field of vertical milling machine, concretely relates to combined type sealing mechanism for mill grinds arm.
Background
The existing grinding roller arm and shell sealing are formed by combining two layers of square flanges and oil canvases, the main sealing of the mechanism adopts one layer or multiple layers of oil canvases as a main body, the mechanism mainly exists in the condition that the oil canvases are low in structural strength and easy to break under the condition of repeated pulling or folding, when the grinding roller is ground on a grinding disc, materials are extruded out easily during grinding or crushing operation and are shot on the oil canvases to penetrate the oil canvases, air leakage and material leakage are caused, the working continuity of the grinding roller is high, the frequency of shot materials is high, the oil canvases are frequently changed, the weather resistance of the oil canvases is poor, the speed of changing and loss is very high under the consumption of long-term ultraviolet rays, wind sand and large temperature difference, the strength of manual operation changing is high, and the equipment maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the main object of the present invention is to provide a composite sealing mechanism for a grinding arm of a grinding machine.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a combined type sealing mechanism for mill grinding arm, this mechanism include shell, flexible seal structure, labyrinth seal structure, the outer shell cover is established on the outer circumference of grinding roller arm and the front side terminal surface sets up flexible seal structure, flexible seal structure's front side sets up labyrinth seal structure.
In the above scheme, flexible seal structure includes flexible seal fixing base, flexible seal mounting panel, flexible seal plate, flexible seal fixing base one end is connected with the shell, and the other end is connected with the flexible seal mounting panel that is located the shell, after the bending flexible seal plate one end is connected with the flexible seal mounting panel, and the other end butt is on the outer circumference of grinding roller arm.
In the scheme, the two bent ends of the flexible sealing plate are fixedly connected with the flexible sealing mounting plate through the polymer compression plate, the locking screws and the locking nuts.
In the scheme, a fastening steel wire rope is wound at one end, close to the grinding roller arm, of the bent flexible sealing plate.
In the above scheme, labyrinth seal structure includes main labyrinth board, assists the labyrinth board, sets gradually along the axial from back to front and assists labyrinth board, main labyrinth board.
In the above scheme, the labyrinth seal structure further comprises a packing type seal mechanism, and the packing type seal mechanism is arranged on the outer side of the labyrinth seal structure along the radial direction.
In the above scheme, the packing type sealing mechanism includes a packing seal mounting seat and a packing filling layer, the packing seal mounting seat is radially arranged at the outer sides of the auxiliary labyrinth plate and the main labyrinth plate and is abutted against the flexible seal fixing seat of the flexible sealing structure, and the packing filling layer is arranged in the packing seal mounting seat.
Compared with the prior art, the composite sealing mechanism of the utility model can block large particles ejected from the equipment, and eliminate the impact force of the raw materials by utilizing the principle of rebound and effusion; slight deformation of the main body structure can be generated under the condition of applying pressure to fill up the fine gap, so that fine or slight air leakage is avoided, and the air leakage phenomenon is avoided; the composite sealing mechanism is composed of multiple layers of seals, so that the loss of single-stage sealing is reduced, the maintenance frequency of equipment is reduced, the operation intensity of workers is reduced, and the original maintenance frequency is reduced from once per month to several times to once to twice per year at present.
Drawings
The accompanying drawings, which are described herein, serve to disclose a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are used to explain the invention and not to constitute an undue limitation on the invention. In the drawings:
fig. 1 is a sectional view of a composite sealing mechanism for a grinding arm of a grinding machine according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a combined type sealing mechanism for mill grinding arm, its characterized in that, this mechanism include shell 1, flexible seal structure 2, labyrinth seal structure 3, 1 cover of shell is established on the outer circumference of grinding roller arm 4 and the front side terminal surface sets up flexible seal structure 2, flexible seal structure 2's front side sets up labyrinth seal structure 3.
The flexible sealing structure 2 comprises a flexible sealing fixed seat 21, a flexible sealing installation plate 22 and a flexible sealing plate 23, one end of the flexible sealing fixed seat 21 is connected with the shell 1, the other end of the flexible sealing fixed seat is connected with the flexible sealing installation plate 22 positioned in the shell 1, one end of the flexible sealing plate 23 is connected with the flexible sealing installation plate 22 after bending, and the other end of the flexible sealing plate abuts against the outer circumference of the grinding roller arm 4.
The two bent ends of the flexible sealing plate 23 are fixedly connected with the flexible sealing mounting plate 22 through a polymer compression plate 231, a locking screw and a locking nut.
And a fastening steel wire rope 24 is wound at one end of the bent flexible sealing plate 23 close to the grinding roller arm 4.
The outer ring of the flexible sealing plate 23 is protected on the outer surface by the polymer compression plate 231 and the flexible sealing fixed seat 21, and is compressed in a loosening mode by the locking screw and the locking nut, and the flexible sealing fixed seat 21 is fixed on the flexible sealing installation plate 22 through a welding process, so that a good carrier for the stroke of the flexible sealing outer ring can bear a very large pulling force;
the inner circle of flexible seal board 23 accomplishes through fastening wire rope 24 and grinding roller arm 4's mutual extrusion, and the inner circle of flexible seal board 23 forms the laminating equipment appearance that a linear seal can be better with the excircle of grinding roller arm 4, guarantees that its motion on a large scale can produce the efficient sealed occasionally, can produce the effect of sliding after exceeding the load to protection flexible seal structure itself.
The flexible sealing plate 23 is formed by combining two layers of high polymer silicon rubber and a middle reinforcing layer, the strength of the flexible sealing plate is guaranteed on the premise of guaranteeing the flexibility of the flexible sealing plate, the flexible sealing plate can effectively seal gas and fine raw material particles, external air is guaranteed not to leak from the inside, and fine raw material particles are guaranteed not to leak from the outside.
The labyrinth seal structure 3 comprises a main labyrinth plate 31 and an auxiliary labyrinth plate 32, wherein the auxiliary labyrinth plate 32 and the main labyrinth plate 31 are sequentially arranged from back to front along the axial direction.
The main labyrinth plate 31 and the auxiliary labyrinth plate 32 are combined to form a labyrinth seal, which is made of a strong steel plate and mainly aims to well absorb potential energy carried by the radiated raw material particles so as to ensure that the potential energy does not damage the flexible sealing plate 23.
Further, a packing type seal mechanism 5 is included, and the packing type seal mechanism 5 is arranged on the outer side of the labyrinth seal structure 3 in the radial direction.
The packing type sealing mechanism 5 comprises a packing seal installation seat 51 and a packing filling layer 52, wherein the packing seal installation seat 51 is arranged on the outer sides of the auxiliary labyrinth plate 32 and the main labyrinth plate 31 in the radial direction and is abutted with the flexible seal fixing seat 21 of the flexible sealing structure 2, and the packing filling layer 52 is arranged in the packing seal installation seat 51.
The mutual friction among the packing seal mounting seat 51, the packing filling layer 52 and the auxiliary labyrinth plate 32 generates a certain dotted effect, so that raw material particles with a certain size can be effectively adsorbed, all kinetic energy of the raw material particles splashed from the labyrinth seal can be completely absorbed, and after the packing seal material is used for a certain time, fine gaps in the packing seal material can be filled with the raw material per se to achieve the optimal seal effect.
The utility model discloses by flexible seal structure 2, labyrinth seal structure 3, filled type sealing mechanism 5 constitutes, labyrinth seal structure 3 mainly is responsible for strengthening whole seal structure, bear the first layer impact force, reduce the harm to follow-up twice seal, solve the holistic loss of equipment, filled type sealing mechanism 5 mainly collects medium size or slight tiny particulate matter, reduce whole loss and the wind consumption to it to flexible seal's wearing and tearing, filled type sealing mechanism 5 mainly is under the condition of negative pressure in order to prevent that equipment is inside, outside air gets into wherein inside, increase and grind interior oxygen content.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. A combined type sealing mechanism for a grinding arm of a grinding machine is characterized by comprising a shell, a flexible sealing structure and a labyrinth sealing structure, wherein the shell is sleeved on the outer circumference of the grinding roller arm, the front end face of the shell is provided with the flexible sealing structure, and the labyrinth sealing structure is arranged on the front side of the flexible sealing structure;
the flexible sealing structure comprises a flexible sealing fixed seat, a flexible sealing mounting plate and a flexible sealing plate, one end of the flexible sealing fixed seat is connected with the shell, the other end of the flexible sealing fixed seat is connected with the flexible sealing mounting plate positioned in the shell, one end of the flexible sealing plate after bending is connected with the flexible sealing mounting plate, and the other end of the flexible sealing plate abuts against the outer circumference of the grinding roller arm;
the labyrinth seal structure comprises a main labyrinth plate and an auxiliary labyrinth plate, wherein the auxiliary labyrinth plate and the main labyrinth plate are sequentially arranged from back to front along the axial direction.
2. The composite sealing mechanism for a mill grinding arm of claim 1, wherein the two bent ends of the flexible sealing plate are fixedly connected with the flexible sealing mounting plate through a polymer compression plate, a locking screw and a locking nut.
3. The composite sealing mechanism for a mill arm of claim 2, wherein the end of the flexible sealing plate near the mill arm after bending is wrapped with a fastening wire rope.
4. A composite seal arrangement for a mill arm according to any one of claims 1 to 3, further including a stuffing seal arrangement disposed radially outwardly of the labyrinth seal arrangement.
5. A composite seal arrangement for a mill arm according to claim 4, including a packing seal mount disposed radially outboard of the secondary and primary labyrinth plates and abutting the flexible seal mount of the flexible seal arrangement, a packing layer disposed within the packing seal mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280673.2U CN214743309U (en) | 2021-02-01 | 2021-02-01 | Composite sealing mechanism for grinding arm of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280673.2U CN214743309U (en) | 2021-02-01 | 2021-02-01 | Composite sealing mechanism for grinding arm of grinding machine |
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| Publication Number | Publication Date |
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| CN214743309U true CN214743309U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120280673.2U Active CN214743309U (en) | 2021-02-01 | 2021-02-01 | Composite sealing mechanism for grinding arm of grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289130A (en) * | 2021-12-31 | 2022-04-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
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2021
- 2021-02-01 CN CN202120280673.2U patent/CN214743309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289130A (en) * | 2021-12-31 | 2022-04-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
| CN114289130B (en) * | 2021-12-31 | 2022-11-08 | 崇左南方水泥有限公司 | Dustproof dust pelletizing system of roll squeezer |
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