CN203470177U - Centrifuge - Google Patents
Centrifuge Download PDFInfo
- Publication number
- CN203470177U CN203470177U CN201320541461.0U CN201320541461U CN203470177U CN 203470177 U CN203470177 U CN 203470177U CN 201320541461 U CN201320541461 U CN 201320541461U CN 203470177 U CN203470177 U CN 203470177U
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- Prior art keywords
- guide
- tooth bar
- shell
- fixed
- cover plate
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Abstract
The utility model discloses a centrifuge. The upper cover plate and the shell flange of the centrifuge are firmly connected. The centrifuge comprises a base and a bearing seat. A shell is disposed on the base. A spindle is rotationally disposed in the bearing seat through a bearing. The upper end of the spindle extends out of the bearing seat and is connected with a motor. The lower end of the spindle extends out of the bearing seat and is connected with a rotary drum. The rotary drum comprises a fixing sleeve sleeved on the spindle and an inner container cylinder fixed on the fixing sleeve. The lower end of the bearing seat is provided with an end cover. The shell comprises a shell body fixed on the base, the shell flange fixed on the shell body, the upper cover plate and a plurality of screws, wherein the upper cover plate is located above the shell flange, the bearing seat is fixed on the upper cover plate, a circle of holes are formed along the circumference of the shell flange, a circle of threaded holes are formed in the upper cover plate correspondingly, and the screws penetrate the holes of the shell flange and are screwed into the threaded holes of the upper cover plate. The centrifuge is reasonable in structure and convenient to produce and manufacture, and the service life of the centrifuge is prolonged effectively.
Description
Technical field
The utility model relates to a kind of centrifuge.
Background technology
In TOPl250 centrifuge, in being connected of upper cover body and shell flange, be: upper cover plate and shell flange all punch; utilize hex bolts with hex nut, receipts to be connected; because the fit clearance of punching is very large; in the use procedure of centrifuge, because of reinforced inhomogeneous or other reasons, cause the vibrations of centrifuge; it is easily loosening that time has been grown bolt; the centrifuge of the words High Rotation Speed that bolt looseness drops there will be beyond thought damage and contingency, danger close; Also to client, caused the prestige of loss ，Dui company in various degree also to cause bad impact.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of upper cover plate to be connected firm centrifuge with shell flange.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of centrifuge, comprise support and bearing block, on support, be provided with shell, in bearing block, by bearing, rotate and be provided with main shaft, upper end projecting shaft bearing and this end of main shaft are connected with motor, the lower end of main shaft also projecting shaft bearing and this end is connected with rotary drum, rotary drum comprises the fixed cover being enclosed within on main shaft and is fixed on the inner bag cylindrical shell on fixed cover, the lower end of bearing block is provided with end cap, shell comprises the housing being fixed on support, be fixed on the shell flange on housing, upper cover plate and several screws, upper cover plate is positioned at the top of shell flange, on the fixing upper cover plate of bearing block, on shell flange, offer a circle hole on along the circumferential direction, the corresponding circle screwed hole that offers on upper cover plate, screw passes in the screwed hole of rear screw-in upper cover plate from the hole of shell flange.
The lower surface of described end cap is outward extended with some circle overhead gages along the alignment of shafts, and the upper surface of fixed cover is provided with some lower baffle plates that are interspersed with overhead gage, and overhead gage and lower baffle plate form labyrinth, and the upper surface of shell is provided with doctor blade device.
Doctor blade device comprises the casing that is fixed on shell upper surface, in casing, rotate and be provided with guide, casing is stretched out in the upper end of guide, in guide, be provided with and can endwisely slip and can radially not make first tooth bar of cross section for justifying in relative rotation along guide along guide, the lower end of the first tooth bar is stretched out guide and is provided with scraper, scraper is positioned at inner bag cylindrical shell, a radially side of described casing is provided with gear-box, in gear-box, be at least provided with two pitch wheels, one of them gear and the engagement of the first tooth bar, also have a side of a gear to be engaged with the second tooth bar moving up and down, one end of the second tooth bar is connected with cylinder.
On described gear-box, be hinged with rotary cylinder, the piston rod of rotary cylinder and guide are hinged and can promote guide rotation.
On described guide inwall, be fixed with key, on the first tooth bar, offer vertically the keyway matching with key.
The upper end of described the first tooth bar is provided with stop collar.
Described scraper is fixed on the lower end of the first tooth bar by axle sleeve, the lower end of guide is arranged with sealing shroud, is connected with tetrafluoro cover between axle sleeve and sealing shroud, and tetrafluoro cover is enclosed within on the first tooth bar.
Described cylinder is fixed on gear-box, and on the second tooth bar, cover has guide cylinder, and one end of guide cylinder is connected with the cylinder body of cylinder, and the other end is provided with positioning sleeve and location-plate.
The beneficial effects of the utility model are: on shell flange, offer a circle hole on along the circumferential direction, the corresponding circle screwed hole that offers on upper cover plate, after screw passes in the screwed hole of rear screw-in upper cover plate from the hole of shell flange, tapping has been stopped aspect cooperation than punching because the strength reduction that gap causes, in use be not easy to become flexible, and the connection of the connection of directly tapping comparison receipts nut is more convenient directly, also saved the spending of the production costs such as nut, directly connection has also greatly been saved labour and has been saved again labour's spending, in the middle of invisible like this, to enterprise, increased profit margin, also increased guarantee to the security of user's use procedure, it is a kind of rational in infrastructure that the utility model provides, it is convenient to manufacture, effectively extend the service life of centrifuge.Adopt overhead gage and lower baffle plate to form labyrinth type oil and be honored as a queen, just can guarantee can leakage of oil when long-term use.And doctor blade device is without adopting lubricated wet goods liquid, further guaranteed that the situation that can not produce liquid contamination material occurs.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of centrifuge of the utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structure chart of doctor blade device in Fig. 1;
Fig. 4 is the vertical view cutaway drawing of Fig. 3;
Fig. 5 be figure can in the structure chart of main shaft and bearing block.
In figure: 1, casing, 2, guide, 3, the first tooth bar, 4, scraper, 5, gear-box, 6, driving gear, 7, driven gear, 8, travelling gear, 9, the second tooth bar, 10, cylinder, 11, rotary cylinder, 12, key, 13, keyway, 14, stop collar, 15, axle sleeve, 16, sealing shroud, 17, tetrafluoro cover, 18, guide cylinder, 19, positioning sleeve, 20, location-plate, 21, case, 22, support, 23, housing, 24, bearing block, 25, bearing, 26, main shaft, 27, motor, 28, fixed cover, 29, inner bag cylindrical shell, 30, end cap, 31, overhead gage, 32, lower baffle plate, 33, shell flange, 34, upper cover plate, 35, screw.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As Fig. 1, shown in Fig. 2 and Fig. 5, a kind of centrifuge described in the utility model, comprise support 22 and bearing block 24, on support 22, be provided with shell, in bearing block 24, by bearing 25, rotate and be provided with main shaft 26, upper end projecting shaft bearing and this end of main shaft 26 are connected with motor 27, the lower end of main shaft 27 also projecting shaft bearing 24 and this end is connected with rotary drum, rotary drum comprises the fixed cover 28 being enclosed within on main shaft 26 and is fixed on the inner bag cylindrical shell 29 on fixed cover 28, the lower end of bearing block 24 is provided with end cap 30, shell comprises the housing 23 being fixed on support 22, be fixed on the shell flange 33 on housing 23, upper cover plate 34 and several screws 35, upper cover plate 34 is positioned at the top of shell flange 33, on the fixing upper cover plate 34 of bearing block 24, on shell flange 33, offer a circle hole on along the circumferential direction, the corresponding circle screwed hole that offers on upper cover plate 34, screw 35 passes in the screwed hole of rear screw-in upper cover plate 34 from the hole of shell flange 33.
The lower surface of described end cap 30 is outward extended with some circle overhead gages 31 along the alignment of shafts, the upper surface of fixed cover 28 is provided with some lower baffle plates 32 that are interspersed with overhead gage 31, overhead gage 31 and lower baffle plate 32 form labyrinth, and the upper surface of shell 23 is provided with doctor blade device.
As shown in Figure 3, Figure 4, doctor blade device comprises the casing 1 that is fixed on shell 23 upper surfaces, casing can interiorly rotate and be provided with guide 2, casing 1 is stretched out in the upper end of guide 2, in guide 2, be provided with and can endwisely slip and can radially not make first tooth bar 3 of cross section for justifying in relative rotation along guide 2 along guide 2, the lower end of the first tooth bar 3 is stretched out guide 2 and is provided with scraper 4, and scraper 4 is positioned at inner bag cylindrical shell 29, the first tooth bar 3 upper ends and is arranged with case 21.A radially side of described casing 1 is provided with gear-box 5, in gear-box 5, be at least provided with two pitch wheels---driving gear 6 and driven gear 7, when actual production, several travelling gears 8 can be increased between driving gear 6 and driven gear 7, for eliminating transmission stress.Driven gear 7 and the first tooth bar 3 engagements, the lower end that the left side of driving gear 6 is engaged with the second tooth bar 9, the second tooth bars 9 that move up and down is connected with cylinder 10.In order to control scraper, rotate, on described gear-box 5, be hinged with rotary cylinder 11, the piston rod of rotary cylinder 11 and guide 2 are hinged and can promote guide 2 rotations.The first tooth bar 3 with the connected mode of guide 2 is: on described guide 2 inwalls, be fixed with on key 12, the first tooth bars 3 and offer vertically the keyway 13 matching with key 12.In order to prevent the extreme position of the first tooth bar 3, the upper end of described the first tooth bar 3 is provided with stop collar 14.When the first tooth bar 3 moves down always, stop collar 14 can be encountered the upper surface of guide 2 and hinder first tooth bar 3 limit and moves down.For the lower end that guarantees the first tooth bar 3 can be outside not exposed and being corroded property gas attack, described scraper 4 is fixed on the lower end of the first tooth bar 3 by axle sleeve 15, the lower end of guide 2 is arranged with sealing shroud 16, between axle sleeve 15 and sealing shroud 16, be connected with tetrafluoro cover 17, tetrafluoro cover 17 is enclosed within on the first tooth bar 3.Described cylinder 10 is fixed on gear-box 5, and on the second tooth bar 9, cover has guide cylinder 18, and the lower end of guide cylinder 18 is connected with the cylinder body of cylinder 10, and upper end is provided with positioning sleeve 19 and location-plate 20.
The course of work of the present utility model is: as shown in Figure 5, adopting overhead gage 31 and lower baffle plate 32 to form labyrinth type oil is honored as a queen, after the lubricating oil flowing out because work long hours in bearing block 24 enters between overhead gage 31 and lower baffle plate 32, just can not thrown away by main shaft 27, thereby guarantee the not lubricated oil pollution of material.As shown in Figure 3, Figure 4, and doctor blade device further guarantees that material can be not contaminated, concrete reason is for when carrying out scraper to rotary drum, first utilizing cylinder 10 to drive on the second tooth bar 9 moves, the second tooth bar 9 drives driving gear 6 to rotate, driving gear 6 drives driven gear 7 to rotate by travelling gear 8, and driven gear 7 drives the first tooth bar 3 to move down, and scraper 4 is just displaced downwardly to appropriate location thereupon.Because tetrafluoro cover 17 has retractility, therefore the lower end of the first tooth bar 3 all the time can be outside not exposed, corrosion that yet just can being corroded property gas.Then rotary cylinder 11 work, drag guide 2 and rotate, and guide 2 drives the first tooth bar 3 to rotate by key 12, thereby scraper 4 is attached on the material of drum inner wall, and rotary drum is carried out to scraper.In this process, do not use all the time lubricated wet goods liquid, with regard to not producing leakage, cause the situation of contaminated material yet.The utility model is simple in structure, easy to operate, quick.On shell flange, offer a circle hole on along the circumferential direction, the corresponding circle screwed hole that offers on upper cover plate, after screw passes in the screwed hole of rear screw-in upper cover plate from the hole of shell flange, tapping has been stopped aspect cooperation than punching because the strength reduction that gap causes, in use be not easy to become flexible, and the connection of the connection of directly tapping comparison receipts nut is more convenient directly, also saved the spending of the production costs such as nut, directly connection has also greatly been saved labour and has been saved again labour's spending, in the middle of invisible like this, to enterprise, increased profit margin, also increased guarantee to the security of user's use procedure, it is a kind of rational in infrastructure that the utility model provides, it is convenient to manufacture, effectively extend the service life of centrifuge.
Claims (8)
1. a centrifuge, comprise support and bearing block, on support, be provided with shell, in bearing block, by bearing, rotate and be provided with main shaft, upper end projecting shaft bearing and this end of main shaft are connected with motor, the lower end of main shaft also projecting shaft bearing and this end is connected with rotary drum, rotary drum comprises the fixed cover being enclosed within on main shaft and is fixed on the inner bag cylindrical shell on fixed cover, the lower end of bearing block is provided with end cap, it is characterized in that: described shell comprises the housing being fixed on support, be fixed on the shell flange on housing, upper cover plate and several screws, upper cover plate is positioned at the top of shell flange, on the fixing upper cover plate of bearing block, on shell flange, offer a circle hole on along the circumferential direction, the corresponding circle screwed hole that offers on upper cover plate, screw passes in the screwed hole of rear screw-in upper cover plate from the hole of shell flange.
2. a kind of centrifuge according to claim 1, it is characterized in that: the lower surface of described end cap is outward extended with some circle overhead gages along the alignment of shafts, the upper surface of fixed cover is provided with some lower baffle plates that are interspersed with overhead gage, overhead gage and lower baffle plate form labyrinth, and the upper surface of shell is provided with doctor blade device.
3. a kind of centrifuge according to claim 2, it is characterized in that: described doctor blade device comprises the casing that is fixed on shell upper surface, in casing, rotate and be provided with guide, casing is stretched out in the upper end of guide, in guide, be provided with and can endwisely slip and can radially not make first tooth bar of cross section for justifying in relative rotation along guide along guide, the lower end of the first tooth bar is stretched out guide and is provided with scraper, scraper is positioned at inner bag cylindrical shell, a radially side of described casing is provided with gear-box, in gear-box, be at least provided with two pitch wheels, one of them gear and the engagement of the first tooth bar, also have a side of a gear to be engaged with the second tooth bar moving up and down, one end of the second tooth bar is connected with cylinder.
4. a kind of centrifuge according to claim 3, is characterized in that: on described gear-box, be hinged with rotary cylinder, the piston rod of rotary cylinder and guide are hinged and can promote guide rotation.
5. a kind of centrifuge according to claim 4, is characterized in that: on described guide inwall, be fixed with key, offer vertically the keyway matching with key on the first tooth bar.
6. a kind of centrifuge according to claim 5, is characterized in that: the upper end of described the first tooth bar is provided with stop collar.
7. a kind of centrifuge according to claim 5, is characterized in that: described scraper is fixed on the lower end of the first tooth bar by axle sleeve, the lower end of guide is arranged with sealing shroud, is connected with tetrafluoro cover between axle sleeve and sealing shroud, and tetrafluoro cover is enclosed within on the first tooth bar.
8. a kind of centrifuge according to claim 5, is characterized in that: described cylinder is fixed on gear-box, and on the second tooth bar, cover has guide cylinder, and one end of guide cylinder is connected with the cylinder body of cylinder, and the other end is provided with positioning sleeve and location-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541461.0U CN203470177U (en) | 2013-09-02 | 2013-09-02 | Centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541461.0U CN203470177U (en) | 2013-09-02 | 2013-09-02 | Centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203470177U true CN203470177U (en) | 2014-03-12 |
Family
ID=50218591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541461.0U Expired - Lifetime CN203470177U (en) | 2013-09-02 | 2013-09-02 | Centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203470177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405198A (en) * | 2018-03-09 | 2018-08-17 | 程佩芳 | A kind of new plant growth regulator preparation facilities |
-
2013
- 2013-09-02 CN CN201320541461.0U patent/CN203470177U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405198A (en) * | 2018-03-09 | 2018-08-17 | 程佩芳 | A kind of new plant growth regulator preparation facilities |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |