CN217842672U - Oil seal seat for cigarette follower plate - Google Patents
Oil seal seat for cigarette follower plate Download PDFInfo
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- CN217842672U CN217842672U CN202221394741.9U CN202221394741U CN217842672U CN 217842672 U CN217842672 U CN 217842672U CN 202221394741 U CN202221394741 U CN 202221394741U CN 217842672 U CN217842672 U CN 217842672U
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- oil seal
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- seal seat
- oil return
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Abstract
A cigarette trailing plate oil blanket seat, including oil blanket seat body, oil blanket and sealing washer apron: the oil seal seat body is provided with an inner end surface and an outer end surface which are opposite; the oil seal seat body, the oil seal and the sealing ring cover plate are all provided with through holes along the axis direction, and the through holes of the oil seal seat body are stepped holes; two ends of the stepped hole are respectively provided with an annular clamping groove; an oil seal is coaxially assembled in each annular clamping groove; the space among the stepped hole, one of the oil seals and the transmission shaft is an oil return cavity; the upper part of the oil seal seat body is provided with an air inlet channel; the lower part of the oil seal seat body is provided with an oil return channel; the sealing ring cover plate is coaxially and detachably arranged on the outer end face. The utility model has the advantages that: 1) The external dust accumulation is effectively prevented from entering the oil return cavity, and the problem of oil leakage at the oil seal of the transmission shaft of the cigarette follower plate is solved; 2) The problem that oil return is not smooth due to the fact that low pressure is easily formed inside the oil return cavity is solved; 3) The air pressure of the oil return cavity is ensured, so that the lubricating oil can normally flow back to the oil storage tank.
Description
Technical Field
The oil seal seat designed by the utility model is a cigarette trailing plate oil seal seat, and the main function is to guarantee the product quality, shorten the maintenance degree of difficulty and time, and improve the production efficiency.
Background
The cigarette follower plate transmission shaft has poor working environment, the position of the follower plate transmission shaft has large smoke dust and dust when the equipment runs, the surface of the shaft is not clean, dust particles are easy to adhere to the lubricating oil film on the transmission shaft and invade into an oil seal lip, the abrasion of the surface of the shaft is accelerated by long-term high-speed running, the surface finish of the transmission shaft is greatly reduced, the performance of the transmission shaft is poor, and the oil leakage is increased day by day. The original design has the defect that the framework oil seal is used at the position, the framework oil seal belongs to a dynamic sealing element, the existence of a critical oil film is necessary for ensuring the oil seal cutting edge to realize lubricating friction lock, and the existence of the lubricating oil film ensures that a certain amount of leakage is inevitable. The design of oil seal seat only hopes to leak outward through two annular oil return cavities and oil return pipe furthest reduction fluid, and does not consider the operational environment that transmission shaft and oil seal seat located, and a large amount of dusts and tobacco powder are attached to and must be piled up at two annular oil return cavities on the transmission shaft, finally cause oil return pipe to block up for original design loses the effect, leads to fluid to leak.
Disclosure of Invention
In order to solve the problem of a cigarette follower plate transmission shaft oil blanket department oil leak, the utility model provides a can guarantee back oil chamber internal gas pressure, prevent a cigarette follower plate oil seal seat of lubricating oil leakage.
A cigarette trailing plate oil blanket seat, including oil blanket seat body, oil blanket and sealing washer apron, its characterized in that:
the oil seal seat body is provided with an inner end surface and an outer end surface which are opposite; the oil seal seat body, the oil seal and the sealing ring cover plate are all provided with through holes for penetrating a transmission shaft along the axis direction, wherein the through holes of the oil seal seat body are stepped holes; two ends of the stepped hole are respectively provided with an annular clamping groove; the annular clamping grooves are annularly arranged around the stepped hole, and the oil seal is coaxially assembled in each annular clamping groove and used for sealing lubricating oil of the transmission shaft so as to ensure that the lubricating oil does not leak; the space among the stepped hole, one of the oil seals and the transmission shaft is an oil return cavity; the lubricating oil enters the oil return cavity along with the transmission shaft; the oil return cavity can allow lubricating oil to have a loop, so that the lubricating oil can play a due role;
an air inlet channel is arranged at the upper part of the oil seal seat body, one end of the air inlet channel is communicated with an air inlet pipe through a joint, and the other end of the air inlet channel is communicated with the oil return cavity; gas is blown into the oil return cavity through the gas inlet pipe and the gas inlet channel, so that the oil return cavity has proper pressure and can be prevented from forming vacuum;
an oil return channel is arranged at the lower part of the oil seal seat body, one end of the oil return channel is communicated with the oil return cavity, and the other end of the oil return channel is communicated with an oil storage tank through an oil return pipe; the oil reaching the oil return cavity flows back to the oil storage tank according to a correct oil return path through an oil return pipe connected externally;
the sealing ring cover plate is coaxially and detachably arranged on the outer end face of the oil seal seat body.
Further, the stepped hole is a secondary stepped hole consisting of a large hole and a small hole which are coaxial and connected with each other, wherein the small hole is communicated with the inner end face, and the large hole is close to the outer end face; the small hole is matched with the transmission shaft, and the inner diameter of the large hole is larger than the outer diameter of the transmission shaft.
Further, the oil seal is a Y-shaped oil seal, and the oil seal is arranged around the stepped hole in an enclosing mode and can be in interference fit with the transmission shaft; the oil seal on one side of the inner end face is named as a first oil seal, and the oil seal on one side of the outer end face is named as a second oil seal.
Further, the lips of the first oil seal and the second oil seal face inward.
Furthermore, be equipped with a plurality of bolt holes that are used for fixed sealing washer apron on the outer terminal surface.
During the operation of the machine, the lubricating oil begins to lubricate the parts, part of the lubricating oil exists on the transmission shaft, and the redundant lubricating oil is sealed by the first oil seal on the inner side because the first oil seal is interfered by the lip mouth thereof, so that a good sealing effect is generated, meanwhile, the contact area of the first oil seal and the transmission shaft is small, the friction ratio is low, and the service life is prolonged. And the second oil seal at the outer side can well prevent external accumulated dust from entering the oil return cavity. Because of the sealing of the oil seal, low pressure is easily formed in the oil return cavity, so that the oil return is not smooth, air pressure is injected into an air inlet channel arranged at the upper part of the oil seal seat body, the air pressure of the oil return cavity is ensured, and the lubricating oil can normally flow back to the oil storage tank according to an oil return path.
The utility model has the advantages that:
1) The oil return cavity can effectively prevent external accumulated dust from entering the oil return cavity, and the problem of oil leakage at the oil seal of the transmission shaft of the cigarette follower plate is solved;
2) The problem that low pressure is easily formed inside an oil return cavity to cause unsmooth oil return is solved;
4) The air pressure of the oil return cavity can be ensured, so that the lubricating oil can normally flow back to the oil storage tank.
Drawings
Fig. 1 is one of the structural diagrams of the oil seal seat of the present invention.
Fig. 2 is a second structure diagram of the oil seal seat of the present invention.
Fig. 3 is a front view of the oil seal holder of the present invention.
Fig. 4 is a rear view of the oil seal holder of the present invention.
Fig. 5 is a side view of the oil seal holder of the present invention.
Fig. 6 is a plan view of the oil seal holder of the present invention.
Fig. 7 is one of the usage state diagrams of the present invention.
Fig. 8 is a second usage state diagram of the present invention.
Fig. 9 is a third usage state diagram of the present invention.
Fig. 10 is a front view of the usage state of the present invention.
Fig. 11 is a plan view of the usage state of the present invention.
Fig. 12 is a front view of the usage state of the present invention.
Fig. 13 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 12.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention will be described in detail below with reference to exemplary embodiments and with reference to the accompanying drawings.
The utility model relates to a cigarette trailing plate oil seal seat, which comprises an oil seal seat body 1, an oil seal and a seal ring cover plate 3,
the oil seal seat body 1 is provided with an inner end surface 11 and an outer end surface 12 which are opposite; through holes for penetrating the transmission shaft 4 are formed in the oil seal seat body 1, the oil seal and the sealing ring cover plate 3 along the axis direction, wherein the through holes of the oil seal seat body 1 are stepped holes 13; two ends of the stepped hole 13 are respectively provided with an annular clamping groove; the annular clamping grooves are annularly arranged around the stepped hole 13, and the oil seal is coaxially arranged in each annular clamping groove and used for sealing lubricating oil of the transmission shaft so as to ensure that the lubricating oil does not leak; the space between the stepped hole 13, one of the oil seals and the transmission shaft 4 is an oil return cavity 5; the lubricating oil enters the oil return cavity 5 along with the transmission shaft 4; the oil return cavity 5 can allow lubricating oil to have a loop, so that the lubricating oil can play a due role;
an air inlet channel 14 is arranged at the upper part of the oil seal seat body 1, one end of the air inlet channel 14 is communicated with an air inlet pipe through a joint, and the other end of the air inlet channel 14 is communicated with the oil return cavity 5; gas is blown into the oil return cavity through the gas inlet pipe and the gas inlet channel, so that the oil return cavity has proper pressure and can be prevented from forming vacuum;
an oil return channel 15 is arranged at the lower part of the oil seal seat body 1, one end of the oil return channel 15 is communicated with the oil return cavity 5, and the other end of the oil return channel 15 is communicated with an oil storage tank through an oil return pipe; the oil reaching the oil return cavity 5 flows back to the oil storage tank along a correct oil return path through an oil return pipe connected externally;
the sealing ring cover plate 3 is coaxially and detachably arranged on the outer end face of the oil seal seat body 1.
The stepped hole 13 is a two-stage stepped hole consisting of a large hole and a small hole which are coaxial and connected with each other, wherein the small hole is communicated with the inner end surface 11, and the large hole is close to the outer end surface 12; the small hole is matched with the transmission shaft 4, and the inner diameter of the large hole is larger than the outer diameter of the transmission shaft.
The oil seal is a Y-shaped oil seal, and the oil seal is arranged around the stepped hole 13 and can be in interference fit with the transmission shaft 4; the oil seal on the inner end face side is named a first oil seal 21, and the oil seal on the outer end face side is named a second oil seal 22.
In one embodiment, the lips of the first oil seal 21 and the second oil seal 22 face inward.
In one embodiment, the oil seal housing body 1 is a triangular or triangle-like plate housing, and three vertex angles of the triangular or triangle-like plate housing are respectively provided with a fixing threaded hole 16 for mounting the oil seal housing body 1 on the machine 6.
In one embodiment, three bolt holes 121 for fixing the sealing ring cover plate 3 are provided on the outer end surface 12.
In one embodiment, the stepped hole 13 is vertically disposed between the inner end surface 11 and the outer end surface 12.
In one embodiment, an annular groove 122 is provided on the outer end face 12, the annular groove is coaxial with the stepped hole 13, and the annular groove 122 is provided with 3 bolt holes 121 in the circumferential direction; the sealing ring cover plate 3 is installed in the annular groove 122 and fixed on the oil seal seat body through corresponding bolts, and the sealing ring cover plate 3 is flush with the outer end face 12 of the oil seal seat body 1.
In one embodiment, after the first oil seal 21 is installed in the corresponding annular clamping groove, the surface of the first oil seal 21 is flush with the inner end face.
In an embodiment, the inner diameter of the seal cover plate 3 is smaller than the outer diameter of the second oil seal 22, so that the second oil seal 22 cannot be disengaged from the corresponding annular clamping groove.
In one embodiment, the inner diameter of the sealing ring cover plate 3 is larger than the outer diameter of the transmission shaft, so that the transmission shaft can rotate without obstruction.
During the operation of the machine, the lubricating oil begins to lubricate the components, part of the lubricating oil exists on the transmission shaft 4, and the redundant lubricating oil is sealed by the first oil seal 21 on the inner side, because the first oil seal 21 generates good sealing effect by means of lip interference, and meanwhile, the contact area of the first oil seal 21 and the transmission shaft 4 is small, the friction ratio is low, and the service life is prolonged. And the second oil seal 22 at the outer side can well prevent the external accumulated dust from entering the oil return cavity 5. Because of the sealing of the oil seal, low pressure is easily formed inside the oil return cavity 5, so that oil return is not smooth, air pressure is injected into the air inlet channel 14 arranged at the upper part of the oil seal seat body 1 at the moment, the air pressure of the oil return cavity 5 is ensured, and lubricating oil can normally flow back to the oil storage tank according to an oil return path.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
1. The utility model provides a cigarette trailing plate oil blanket seat, includes oil blanket seat body, oil blanket and sealing washer apron, its characterized in that:
the oil seal seat body is provided with an inner end face and an outer end face which are opposite; through holes for penetrating a transmission shaft are formed in the oil seal seat body, the oil seal and the sealing ring cover plate along the axis direction, wherein the through holes of the oil seal seat body are stepped holes; two ends of the stepped hole are respectively provided with an annular clamping groove; the annular clamping grooves are annularly arranged around the stepped hole, and the oil seal is coaxially assembled in each annular clamping groove and used for sealing lubricating oil of the transmission shaft so as to ensure that the lubricating oil does not leak; a space among the stepped hole, one of the oil seals and the transmission shaft is an oil return cavity;
an air inlet channel is arranged at the upper part of the oil seal seat body, one end of the air inlet channel is communicated with an air inlet pipe through a joint, and the other end of the air inlet channel is communicated with the oil return cavity;
an oil return channel is arranged at the lower part of the oil seal seat body, one end of the oil return channel is communicated with the oil return cavity, and the other end of the oil return channel is communicated with an oil storage tank through an oil return pipe;
the sealing ring cover plate is coaxially and detachably arranged on the second end face of the oil seal seat body.
2. The cigarette follower plate oil seal seat of claim 1, wherein: the stepped hole is a secondary stepped hole consisting of a large hole and a small hole which are coaxial and connected with each other, wherein the small hole is communicated with the first end face, and the large hole is close to the second end face; the small hole is matched with the transmission shaft, and the inner diameter of the large hole is larger than the outer diameter of the transmission shaft.
3. The cigarette follower plate oil seal seat as claimed in claim 2, wherein: the oil seal is a Y-shaped oil seal and is arranged around the stepped hole in an enclosing manner.
4. A cigarette follower plate oil seal seat as defined in claim 3, wherein: and a plurality of bolt holes for fixing the sealing ring cover plate are formed in the second end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221394741.9U CN217842672U (en) | 2022-06-01 | 2022-06-01 | Oil seal seat for cigarette follower plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221394741.9U CN217842672U (en) | 2022-06-01 | 2022-06-01 | Oil seal seat for cigarette follower plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842672U true CN217842672U (en) | 2022-11-18 |
Family
ID=84021595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221394741.9U Active CN217842672U (en) | 2022-06-01 | 2022-06-01 | Oil seal seat for cigarette follower plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842672U (en) |
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2022
- 2022-06-01 CN CN202221394741.9U patent/CN217842672U/en active Active
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