CN201735365U - Vacuum stone stirrer shaft-end sealing device - Google Patents
Vacuum stone stirrer shaft-end sealing device Download PDFInfo
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- CN201735365U CN201735365U CN2010202309750U CN201020230975U CN201735365U CN 201735365 U CN201735365 U CN 201735365U CN 2010202309750 U CN2010202309750 U CN 2010202309750U CN 201020230975 U CN201020230975 U CN 201020230975U CN 201735365 U CN201735365 U CN 201735365U
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Abstract
The utility model discloses a vacuum stone stirrer shaft-end sealing device relating to a stirrer. At present, the vacuum stone stirrer shaft-end sealing mainly relies on mechanical processing precision and assembly precision, and the sealing structure has high processing and assembly requirements and poor vacuum negative-pressure sealing effect, air leakage occurs occasionally, and the product quality is not stable. The vacuum stone stirrer shaft-end sealing device is characterized by comprising a shaft sleeve externally sheathed on a stirring shaft, a positioning ring matched with the shaft sleeve and fixed on a stirring tank body, and a connecting sleeve arranged at the outer end surface of the positioning ring and externally sheathed on the shaft sleeve; the wall of the inner hole of the shaft sleeve is provided with a ring-shaped groove for being embed-jointed with a small sealing ring contacted with the stirring shaft; a packing is arranged between the shaft sleeve and the connecting sleeve; and the outer end surface of the connecting sleeve is provided with a pressing disk which props against the packing and is adjustable and movable, thus leading the packing to be tightly attached to the outer end surface of the positioning ring and stressed to deform and block up a clearance between the connecting sleeve and the shaft sleeve. The technical scheme lowers the processing and assembly requirements, improves the processing and assembly efficiencies and saves manufacturing cost; and complete sealing is realized and the quality of the stirred materials is ensured.
Description
[technical field]
The utility model relates to a kind of mixer.
[background technology]
The form of vacuum stone material agitator shaft end seal is mainly leaned on machining accuracy and assembly precision to cooperate and prevented agitator shaft end gas leakage at present, and mainly there are the following problems for this hermetically-sealed construction: 1, the requirement of processing and assembly technology is too high, causes manufacturing cost too high.2, seal owing to leaning on machining accuracy and closely cooperating, so not enough to the negative pressure of vacuum sealing of mixer, the agitator shaft end gas leak phenomenon happens occasionally.Can cause the interior material of mixer because of air can not drain like this, the quality instability of the material that stirs out.
[utility model content]
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and provides a kind of vacuum stone material agitator shaft end seal device, to reach the purpose of good seal.For this reason, the utility model is taked following technical scheme:
Vacuum stone material agitator shaft end seal device is characterized in that: it comprises the axle sleeve that is coated at shaft, cooperates with axle sleeve and is fixed in the locating ring that stirs cylinder body, be located at the locating ring outer face and be coated at the adapter sleeve of axle sleeve; Described axle sleeve inner hole wall is provided with the small sealing ring that cannelure touches with interlocking and shaft; Be provided with packing between described axle sleeve and the adapter sleeve, the outer face of adapter sleeve is provided with and packing compresses and can regulate mobile compression plate makes packing be close to gap between locating ring outer face and stress deformation shutoff adapter sleeve and the axle sleeve.For increasing sealing effectiveness, can set up a plurality of small sealing rings, guarantee that the faying face of axle sleeve and shaft is air tight; The setting of packing, can prevent that not only shaft from having the contact-making surface of gas by axle sleeve and adapter sleeve when rotating, also can prevent simultaneously the contact-making surface of gas by adapter sleeve and locating ring, packing can adopt the polyurethane packing, increase the thrust of compression plate to packing, packing is subjected to squeeze distortion, and internal diameter dwindles, external diameter enlarges, thereby reaches the effect of radial seal.The polyurethane packing is saturating with oil immersion before assembling, so need not apply oil in the running.Adopt small sealing ring and packing_seal at vacuum stone material agitator shaft end, prevent gas leakage comprehensively, be beneficial to the vacuum that keeps stirring in the cylinder body, guarantee the quality of product.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:
Described compression plate is connected with adapter sleeve by the 3rd screw, and described compression plate is provided with compressed part, and the outer face of stretching into adapter sleeve and packing in the described compressed part compresses.Compression plate can be regulated by screw the thrust of packing.
Compression plate is the syllogic cylinder, forms first shaft shoulder and second shaft shoulder, and locating ring is provided with two diametric hole that match with compression plate; The small diameter cylinders hole wall of the inner face of compression plate, adapter sleeve, locating ring outer face and axle sleeve periphery form a container cavity to hold described packing; Described compression plate first shaft shoulder is provided with large sealing packing ring with being connected between the trepanning shoulder, is provided with an adjusting gap between described compression plate second shaft shoulder and the adapter sleeve outer face.Large sealing packing ring is used for the sealing between adapter sleeve and the compression plate, prevents that impurity, air etc. from entering container cavity.The adjusting gap is used to compensate the abrasion amount of packing, and along with the abrasion of packing, the sealing variation can be passed through mobile compression plate, and corresponding dwindling regulated the gap, adjusts the packing thrust to satisfy the purpose of sealing.
The sleeve joint hole that described compression plate cooperates with axle sleeve is provided with outwardly open sealing ring holding tank to hold the lip-type packing of a plurality of tool outsourcing skeletons, and the lip and the axle sleeve of lip-type packing touch.V-arrangement is adopted in lip-type packing, and Y shape etc. can be used during use in pairs.
The outer face of described compression plate is provided with cover plate, and screw is spirally connected with adapter sleeve after passing cover plate, compression plate.The inner face and the lip-type packing of cover plate touch, and lip packing is enclosed the axial location effect, and prevent that impurity from entering.
Described locating ring and stir is provided with the layer that is bonded and sealed between the cylinder body.After locating ring and the faying face that stirs cylinder body applied the layer that is bonded and sealed, locating ring is connected by screw with the stirring cylinder body, and was fixing.The layer that is bonded and sealed can adopt glass cement etc.
Beneficial effect: 1, adopt sealings such as sealing ring, packing, reduce processing and assembly technology requirement, improve processing, efficiency of assembling, save manufacturing cost.2, thorough seal is avoided gas leakage, guarantees negative pressure of vacuum in the mixer, guarantees to stir out the quality of material.
[description of drawings]
Fig. 1 is the utility model structural representation.
Among the figure: 1, axle sleeve; 2, lip-type packing; 3, compression plate; 4, adapter sleeve; 5, large sealing packing ring; 6, first screw; 7, second screw; 8, locating ring; 9, cover plate; 10, the 3rd screw; 11, small sealing ring; 12, packing; 13, microlite; 14, stir cylinder body; 15, shaft; 16, key.
[specific embodiment]
Below in conjunction with Figure of description the technical solution of the utility model is described in further detail.
The utility model comprises the axle sleeve 1 that is coated at shaft 15, cooperates with axle sleeve 1 and is fixed in the locating ring 8 that stirs cylinder body 14, be located at locating ring 8 outer faces and be coated at the adapter sleeve 4 of axle sleeve 1; Axle sleeve 1 inner hole wall is provided with the small sealing ring 11 that cannelure touches with interlocking and shaft 15; Be provided with packing 12 between axle sleeve 1 and the adapter sleeve 4, the outer face of adapter sleeve 4 is provided with and packing 12 compresses and can regulate mobile compression plate 3 makes packing 12 be close to gap between locating ring 8 outer faces and stress deformation shutoff adapter sleeve 4 and the axle sleeve 1.Compression plate 3 is the syllogic cylinder, forms first shaft shoulder and second shaft shoulder, and locating ring 8 is provided with two diametric hole that match with compression plate 3; The small diameter cylinders hole wall of the inner face of compression plate 3, adapter sleeve 4, locating ring 8 outer faces and axle sleeve 1 periphery form a container cavity to hold packing 12; Be provided with large sealing packing ring 5 between compression plate 3 first shaft shoulders and the adapter sleeve 4 holes shoulder, be provided with one between compression plate 3 second shaft shoulders and adapter sleeve 4 outer faces and regulate the gap.Be provided with outwardly open sealing ring holding tank to hold the lip-type packing 2 of a plurality of tool outsourcing skeletons in compression plate 3 and the sleeve joint hole that axle sleeve 1 cooperates, the lip of sealing circle and axle sleeve 1 touch.The outer face of compression plate 3 is provided with cover plate 9, the three screws and passes cover plate 9, compression plate 3 backs and be spirally connected with adapter sleeve 4, and the outer face of stretching into adapter sleeve 4 and packing 12 in the compressed part of compression plate 3 is compressed.Be to increase sealing effectiveness, be provided with the layer that is bonded and sealed between locating ring 8 and the stirring cylinder body 14.
Shaft 15 links together by key 16 and axle sleeve 1 (axle sleeve 1 can be changed when keeping in repair), the effect of axle sleeve 1 be used to protect shaft 15 when stirring wearing and tearing and cause the phenomenon of scrapping of shaft 15, and the inner ring of axle sleeve 1 is equipped with the small sealing ring 11 of two rubber materials and contacts with the tight of shaft 15, guarantees that axle sleeve 1 is air tight with the faying face of shaft 15; Locating ring 8 links together with stirring cylinder body 14 by second screw 7, locating ring 8 scribbles fluid sealant when assembling, prevent gas leakage, and the inwall that stirs cylinder body 14 posts microlite 13, and microlite 13 can guarantee to stir the pure of material materials in the cylinder body 14 and prevent to stir the excessive wear of cylinder body 14 inwalls and cause that cylinder body scraps; Adapter sleeve 4 links together with locating ring 8 by first screw 6, and its inner ring is equipped with the large sealing packing ring 5 of polyurethane packing 12 and rubber material; Compression plate 3 and cover plate 9 link together with adapter sleeve 4 by the 3rd screw 10; Compression plate 3 can move around along the axial direction of shaft 15 by the 3rd screw 10, two outer rings of compression plate 3 and two inner rings of adapter sleeve 4 closely cooperate together, so just can control the degree that compresses that is filled in the polyurethane packing 12 between axle sleeve 1 and the adapter sleeve 4, the characteristics sealing that is radially expanded when compacted by polyurethane packing 12, can prevent that not only shaft 15 from having gas to pass through the contact-making surface of axle sleeve 1 and adapter sleeve 4, also can prevent that gas from passing through the contact-making surface of adapter sleeve 4 and locating ring 8 simultaneously when rotating; Because polyurethane packing 12 is saturating with oil immersion before assembling, so need not be oily in the running, outermost end at compression plate 3 is equipped with three lip-type packings (outsourcing skeleton) 2, on compression plate 3, have pouring orifice, be used for the lubricating oil of annotating, friction in the time of can reducing lip-type packing 2 with shaft 15 rotations improves the efficient that the stone material de-airing mixer drives.
Because cover plate 9, sealing ring (outsourcing skeleton) 2, compression plate 3 can move vertically, when the excessive wear of polyurethane packing 12, turn on the 3rd screw 10, so just can move cover plate 9, lip-type packing (outsourcing skeleton) 2, compression plate 3 to an end, the polyurethane packing 12 that just can more renew fast, convenient maintenance and replacement.
More than vacuum stone material agitator shaft end seal device shown in Figure 1 be specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to the use needs of reality; under enlightenment of the present utility model; it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (6)
1. vacuum stone material agitator shaft end seal device is characterized in that: it comprises the axle sleeve (1) that is coated at shaft (15), cooperates with axle sleeve (1) and is fixed in the locating ring (8) that stirs cylinder body (14), be located at locating ring (8) outer face and be coated at the adapter sleeve (4) of axle sleeve (1); Described axle sleeve (1) inner hole wall is provided with the small sealing ring (11) that cannelure touches with interlocking and shaft (15); Be provided with packing (12) between described axle sleeve (1) and the adapter sleeve (4), the outer face of adapter sleeve (4) is provided with and packing (12) compresses and can regulate mobile compression plate (3) and makes packing (12) be close to gap between locating ring (8) outer face and stress deformation shutoff adapter sleeve (4) and the axle sleeve (1).
2. vacuum stone material agitator shaft end seal device according to claim 1, it is characterized in that: described compression plate (3) is connected with adapter sleeve (4) by screw, described compression plate (3) is provided with compressed part, and the outer face of stretching into adapter sleeve (4) and packing (12) in the described compressed part compresses.
3. vacuum stone material agitator shaft end seal device according to claim 2, it is characterized in that: compression plate (3) is the syllogic cylinder, forms first shaft shoulder and second shaft shoulder, locating ring (8) is provided with two diametric hole that match with compression plate (3); The small diameter cylinders hole wall of the inner face of compression plate (3), adapter sleeve (4), locating ring (8) outer face and axle sleeve (1) periphery form a container cavity to hold described packing (12); Be provided with large sealing packing ring (5) between described compression plate (3) first shaft shoulders and adapter sleeve (4) the hole shoulder, be provided with one between described compression plate (3) second shaft shoulders and adapter sleeve (4) outer face and regulate the gap.
4. vacuum stone material agitator shaft end seal device according to claim 3, it is characterized in that: be provided with outwardly open sealing ring holding tank to hold the lip-type packing (2) of a plurality of tool outsourcing skeletons in described compression plate (3) and the sleeve joint hole that axle sleeve (1) cooperates, the lip of sealing circle and axle sleeve (1) touch.
5. according to the described vacuum stone material of the arbitrary claim of claim 1-4 agitator shaft end seal device, it is characterized in that: the outer face of described compression plate (3) is provided with cover plate (9), and screw passes cover plate (9), compression plate (3) back is spirally connected with adapter sleeve (4).
6. vacuum stone material agitator shaft end seal device according to claim 5 is characterized in that: described locating ring (8) and stir is provided with the layer that is bonded and sealed between the cylinder body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202309750U CN201735365U (en) | 2010-06-22 | 2010-06-22 | Vacuum stone stirrer shaft-end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202309750U CN201735365U (en) | 2010-06-22 | 2010-06-22 | Vacuum stone stirrer shaft-end sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201735365U true CN201735365U (en) | 2011-02-09 |
Family
ID=43550646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202309750U Expired - Fee Related CN201735365U (en) | 2010-06-22 | 2010-06-22 | Vacuum stone stirrer shaft-end sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201735365U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434022A (en) * | 2013-08-05 | 2013-12-11 | 新疆宇鑫混凝土有限公司 | Shaft end location and locking structure of stirrer |
| CN104959068A (en) * | 2015-07-13 | 2015-10-07 | 鞍山市永恒特种耐火材料厂 | Anti-lock sealing structure of forcedly-sealing injection-mix vertical-type bottom stirring mixing machine |
| CN112058113A (en) * | 2020-10-12 | 2020-12-11 | 连云港百仑生物反应器科技有限公司 | Clean formula stirring rake |
-
2010
- 2010-06-22 CN CN2010202309750U patent/CN201735365U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434022A (en) * | 2013-08-05 | 2013-12-11 | 新疆宇鑫混凝土有限公司 | Shaft end location and locking structure of stirrer |
| CN104959068A (en) * | 2015-07-13 | 2015-10-07 | 鞍山市永恒特种耐火材料厂 | Anti-lock sealing structure of forcedly-sealing injection-mix vertical-type bottom stirring mixing machine |
| CN112058113A (en) * | 2020-10-12 | 2020-12-11 | 连云港百仑生物反应器科技有限公司 | Clean formula stirring rake |
| CN112058113B (en) * | 2020-10-12 | 2024-05-03 | 百仑生物科技(江苏)有限公司 | Clean stirring paddle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130622 |